25251952 has 20 divisors (see below), whose sum is σ = 53373816. Its totient is φ = 11478080.

The previous prime is 25251943. The next prime is 25251973. The reversal of 25251952 is 25915252.

It is a super-2 number, since 2×25251952² = 1275322159620608, which contains 22 as substring.

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, 71563 + ... + 71914.

Almost surely, 2^25251952 is an apocalyptic number.

25251952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25251952 is an abundant number, since it is smaller than the sum of its proper divisors (28121864).

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

25251952 is a wasteful number, since it uses less digits than its factorization.

25251952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143496 (or 143490 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 25251952 is about 5025.1320380663. The cubic root of 25251952 is about 293.3807751549.

The spelling of 25251952 in words is "twenty-five million, two hundred fifty-one thousand, nine hundred fifty-two".