25258632 has 64 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 7176000.

The previous prime is 25258627. The next prime is 25258633. The reversal of 25258632 is 23685252.

It is a super-2 number, since 2×25258632² = 1275996981022848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25258593 and 25258602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25258633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41869 + ... + 42467.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^25258632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25258632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36288000).

25258632 is an abundant number, since it is smaller than the sum of its proper divisors (47317368).

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

25258632 is a wasteful number, since it uses less digits than its factorization.

25258632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 862 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 25258632 is about 5025.7966532680. The cubic root of 25258632 is about 293.4066426046.

The spelling of 25258632 in words is "twenty-five million, two hundred fifty-eight thousand, six hundred thirty-two".