25315472 has 40 divisors (see below), whose sum is σ = 60371136. Its totient is φ = 10014336.

The previous prime is 25315457. The next prime is 25315483. The reversal of 25315472 is 27451352.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7238 + ... + 10149.

Almost surely, 2^25315472 is an apocalyptic number.

It is an amenable number.

25315472 is an abundant number, since it is smaller than the sum of its proper divisors (35055664).

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

25315472 is a wasteful number, since it uses less digits than its factorization.

25315472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17415 (or 17409 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 25315472 is about 5031.4483004399. The cubic root of 25315472 is about 293.6265639828.

The spelling of 25315472 in words is "twenty-five million, three hundred fifteen thousand, four hundred seventy-two".