25040232 has 64 divisors (see below), whose sum is σ = 79497600. Its totient is φ = 7153920.

The previous prime is 25040203. The next prime is 25040263. The reversal of 25040232 is 23204052.

It is a super-2 number, since 2×25040232² = 1254026437227648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6769 + ... + 9792.

It is an arithmetic number, because the mean of its divisors is an integer number (1242150).

Almost surely, 2^25040232 is an apocalyptic number.

It is an amenable number.

25040232 is an abundant number, since it is smaller than the sum of its proper divisors (54457368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25040232 is a wasteful number, since it uses less digits than its factorization.

25040232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16583 (or 16573 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 25040232 is about 5004.0215826873. The cubic root of 25040232 is about 292.5585418656.

Adding to 25040232 its reverse (23204052), we get a palindrome (48244284).

The spelling of 25040232 in words is "twenty-five million, forty thousand, two hundred thirty-two".