25102072 has 32 divisors (see below), whose sum is σ = 48671280. Its totient is φ = 12130560.

The previous prime is 25102057. The next prime is 25102073. The reversal of 25102072 is 27020152.

It is a super-2 number, since 2×25102072² = 1260228037386368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25102073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30547 + ... + 31357.

Almost surely, 2^25102072 is an apocalyptic number.

It is an amenable number.

25102072 is a deficient number, since it is larger than the sum of its proper divisors (23569208).

25102072 is a wasteful number, since it uses less digits than its factorization.

25102072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 25102072 is about 5010.1968025218. The cubic root of 25102072 is about 292.7991805744.

The spelling of 25102072 in words is "twenty-five million, one hundred two thousand, seventy-two".