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2405242425 = 352268311953
BaseRepresentation
bin1000111101011101…
…0001011000111001
320012121212222022210
42033113101120321
514411220224200
61034400405333
7113414136405
oct21727213071
96177788283
102405242425
111024773263
12571616849
132c4402b91
1418b626105
15e125e650
hex8f5d1639

2405242425 has 24 divisors (see below), whose sum is σ = 3978482464. Its totient is φ = 1282210560.

The previous prime is 2405242417. The next prime is 2405242429. The reversal of 2405242425 is 5242425042.

It is not a de Polignac number, because 2405242425 - 23 = 2405242417 is a prime.

It is a super-2 number, since 2×24052424252 = 11570382246039761250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2405242392 and 2405242401.

It is not an unprimeable number, because it can be changed into a prime (2405242429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195249 + ... + 207201.

Almost surely, 22405242425 is an apocalyptic number.

2405242425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2405242425 is a deficient number, since it is larger than the sum of its proper divisors (1573240039).

2405242425 is a wasteful number, since it uses less digits than its factorization.

2405242425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649 (or 14644 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 2405242425 is about 49043.2709451562. The cubic root of 2405242425 is about 1339.8400390106.

Adding to 2405242425 its reverse (5242425042), we get a palindrome (7647667467).

The spelling of 2405242425 in words is "two billion, four hundred five million, two hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 2683 8049 11953 13415 35859 40245 59765 67075 179295 201225 298825 896475 32069899 96209697 160349495 481048485 801747475 2405242425