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25263425 = 521191867
BaseRepresentation
bin110000001011…
…1110101000001
31202112111220102
41200113311001
522431412200
62301252145
7424510205
oct140276501
952474812
1025263425
1113295870
128564055
135307095
1434d8b05
1523406d5
hex1817d41

25263425 has 12 divisors (see below), whose sum is σ = 34174896. Its totient is φ = 18373200.

The previous prime is 25263391. The next prime is 25263431. The reversal of 25263425 is 52436252.

It is not a de Polignac number, because 25263425 - 214 = 25247041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45659 + ... + 46208.

It is an arithmetic number, because the mean of its divisors is an integer number (2847908).

Almost surely, 225263425 is an apocalyptic number.

25263425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25263425 is a deficient number, since it is larger than the sum of its proper divisors (8911471).

25263425 is a wasteful number, since it uses less digits than its factorization.

25263425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91888 (or 91883 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 25263425 is about 5026.2734704749. The cubic root of 25263425 is about 293.4252000770.

Adding to 25263425 its reverse (52436252), we get a palindrome (77699677).

The spelling of 25263425 in words is "twenty-five million, two hundred sixty-three thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 91867 459335 1010537 2296675 5052685 25263425