25213564 has 12 divisors (see below), whose sum is σ = 44472064. Its totient is φ = 12507264.

The previous prime is 25213549. The next prime is 25213579. The reversal of 25213564 is 46531252.

It is an interprime number because it is at equal distance from previous prime (25213549) and next prime (25213579).

It is a congruent number.

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, 24309 + ... + 25324.

Almost surely, 2^25213564 is an apocalyptic number.

It is an amenable number.

25213564 is a deficient number, since it is larger than the sum of its proper divisors (19258500).

25213564 is a wasteful number, since it uses less digits than its factorization.

25213564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49764 (or 49762 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 25213564 is about 5021.3109841953. The cubic root of 25213564 is about 293.2320340068.

The spelling of 25213564 in words is "twenty-five million, two hundred thirteen thousand, five hundred sixty-four".