25015528 has 16 divisors (see below), whose sum is σ = 47700000. Its totient is φ = 12295536.

The previous prime is 25015511. The next prime is 25015531. The reversal of 25015528 is 82551052.

It is a super-2 number, since 2×25015528² = 1251553282237568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25015496 and 25015505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26028 + ... + 26971.

It is an arithmetic number, because the mean of its divisors is an integer number (2981250).

Almost surely, 2^25015528 is an apocalyptic number.

It is an amenable number.

25015528 is a deficient number, since it is larger than the sum of its proper divisors (22684472).

25015528 is a wasteful number, since it uses less digits than its factorization.

25015528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53064 (or 53060 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 25015528 is about 5001.5525589561. The cubic root of 25015528 is about 292.4623001549.

The spelling of 25015528 in words is "twenty-five million, fifteen thousand, five hundred twenty-eight".