25630715 has 16 divisors (see below), whose sum is σ = 35320320. Its totient is φ = 17658720.

The previous prime is 25630697. The next prime is 25630727. The reversal of 25630715 is 51703652.

It is not a de Polignac number, because 25630715 - 2¹⁰ = 25629691 is a prime.

It is a super-2 number, since 2×25630715² = 1313867102822450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11219 + ... + 13308.

It is an arithmetic number, because the mean of its divisors is an integer number (2207520).

Almost surely, 2^25630715 is an apocalyptic number.

25630715 is a deficient number, since it is larger than the sum of its proper divisors (9689605).

25630715 is a wasteful number, since it uses less digits than its factorization.

25630715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24562.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 25630715 is about 5062.6786388235. The cubic root of 25630715 is about 294.8403426027.

The spelling of 25630715 in words is "twenty-five million, six hundred thirty thousand, seven hundred fifteen".