25715792 has 10 divisors (see below), whose sum is σ = 49824378. Its totient is φ = 12857888.

The previous prime is 25715791. The next prime is 25715801. The reversal of 25715792 is 29751752.

It can be written as a sum of positive squares in only one way, i.e., 23078416 + 2637376 = 4804^2 + 1624^2 .

It is a super-2 number, since 2×25715792² = 1322603916374528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25715791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803603 + ... + 803634.

Almost surely, 2^25715792 is an apocalyptic number.

It is an amenable number.

25715792 is a deficient number, since it is larger than the sum of its proper divisors (24108586).

25715792 is a wasteful number, since it uses less digits than its factorization.

25715792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607245 (or 1607239 counting only the distinct ones).

The product of its digits is 44100, while the sum is 38.

The square root of 25715792 is about 5071.0740479705. The cubic root of 25715792 is about 295.1662072103.

The spelling of 25715792 in words is "twenty-five million, seven hundred fifteen thousand, seven hundred ninety-two".