25523532 has 24 divisors (see below), whose sum is σ = 66172400. Its totient is φ = 8507808.

The previous prime is 25523483. The next prime is 25523539. The reversal of 25523532 is 23532552.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 25523496 and 25523505.

It is not an unprimeable number, because it can be changed into a prime (25523539) 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, 118057 + ... + 118272.

Almost surely, 2^25523532 is an apocalyptic number.

It is an amenable number.

25523532 is an abundant number, since it is smaller than the sum of its proper divisors (40648868).

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

25523532 is a wasteful number, since it uses less digits than its factorization.

25523532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236342 (or 236334 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 25523532 is about 5052.0819470788. The cubic root of 25523532 is about 294.4287787665.

It can be divided in two parts, 2552 and 3532, that added together give a square (6084 = 78²).

The spelling of 25523532 in words is "twenty-five million, five hundred twenty-three thousand, five hundred thirty-two".