25575452 has 30 divisors (see below), whose sum is σ = 52233048. Its totient is φ = 10956792.

The previous prime is 25575449. The next prime is 25575467. The reversal of 25575452 is 25457552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8273 + ... + 10935.

Almost surely, 2^25575452 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 25575452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26116524).

25575452 is an abundant number, since it is smaller than the sum of its proper divisors (26657596).

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

25575452 is an equidigital number, since it uses as much as digits as its factorization.

25575452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695 (or 2672 counting only the distinct ones).

The product of its digits is 70000, while the sum is 35.

The square root of 25575452 is about 5057.2178121967. The cubic root of 25575452 is about 294.6282860089.

The spelling of 25575452 in words is "twenty-five million, five hundred seventy-five thousand, four hundred fifty-two".