25988970 has 32 divisors (see below), whose sum is σ = 71284608. Its totient is φ = 5940288.

The previous prime is 25988953. The next prime is 25988993. The reversal of 25988970 is 7988952.

It is a happy number.

It is a Curzon number.

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, 61669 + ... + 62088.

It is an arithmetic number, because the mean of its divisors is an integer number (2227644).

Almost surely, 2^25988970 is an apocalyptic number.

25988970 is an abundant number, since it is smaller than the sum of its proper divisors (45295638).

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

25988970 is a wasteful number, since it uses less digits than its factorization.

25988970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123774.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 25988970 is about 5097.9378183732. The cubic root of 25988970 is about 296.2077081824.

The spelling of 25988970 in words is "twenty-five million, nine hundred eighty-eight thousand, nine hundred seventy".