25464870 has 48 divisors (see below), whose sum is σ = 66457872. Its totient is φ = 6765120.

The previous prime is 25464869. The next prime is 25464899. The reversal of 25464870 is 7846452.

25464870 is a `hidden beast` number, since 2 + 5 + 4 + 648 + 7 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46800 + ... + 47340.

It is an arithmetic number, because the mean of its divisors is an integer number (1384539).

Almost surely, 2^25464870 is an apocalyptic number.

25464870 is an abundant number, since it is smaller than the sum of its proper divisors (40993002).

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

25464870 is a wasteful number, since it uses less digits than its factorization.

25464870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 25464870 is about 5046.2728820388. The cubic root of 25464870 is about 294.2030389781.

The spelling of 25464870 in words is "twenty-five million, four hundred sixty-four thousand, eight hundred seventy".