25389072 has 40 divisors (see below), whose sum is σ = 72877280. Its totient is φ = 8462880.

The previous prime is 25389061. The next prime is 25389083. The reversal of 25389072 is 27098352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25389061) and next prime (25389083).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28954 + ... + 29817.

It is an arithmetic number, because the mean of its divisors is an integer number (1821932).

Almost surely, 2^25389072 is an apocalyptic number.

It is an amenable number.

25389072 is an abundant number, since it is smaller than the sum of its proper divisors (47488208).

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

25389072 is a wasteful number, since it uses less digits than its factorization.

25389072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58788 (or 58776 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 25389072 is about 5038.7569895759. The cubic root of 25389072 is about 293.9108434363.

The spelling of 25389072 in words is "twenty-five million, three hundred eighty-nine thousand, seventy-two".