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25225403 = 75367993
BaseRepresentation
bin110000000111…
…0100010111011
31202110120202012
41200032202323
522424203103
62300400135
7424261310
oct140164273
952416665
1025225403
111326a245
12854604b
1352c2998
1434c8d07
1523342d8
hex180e8bb

25225403 has 8 divisors (see below), whose sum is σ = 29373408. Its totient is φ = 21213504.

The previous prime is 25225397. The next prime is 25225441. The reversal of 25225403 is 30452252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25225403 - 212 = 25221307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25225463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33626 + ... + 34367.

It is an arithmetic number, because the mean of its divisors is an integer number (3671676).

Almost surely, 225225403 is an apocalyptic number.

25225403 is a deficient number, since it is larger than the sum of its proper divisors (4148005).

25225403 is an equidigital number, since it uses as much as digits as its factorization.

25225403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68053.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25225403 is about 5022.4897212438. The cubic root of 25225403 is about 293.2779224134.

Adding to 25225403 its reverse (30452252), we get a palindrome (55677655).

The spelling of 25225403 in words is "twenty-five million, two hundred twenty-five thousand, four hundred three".

Divisors: 1 7 53 371 67993 475951 3603629 25225403