25097832 has 48 divisors (see below), whose sum is σ = 69266340. Its totient is φ = 8206848.

The previous prime is 25097791. The next prime is 25097837. The reversal of 25097832 is 23879052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20196036 + 4901796 = 4494^2 + 2214^2 .

It is a super-2 number, since 2×25097832² = 1259802342200448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25097837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528 + ... + 7104.

Almost surely, 2^25097832 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 25097832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34633170).

25097832 is an abundant number, since it is smaller than the sum of its proper divisors (44168508).

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

25097832 is a wasteful number, since it uses less digits than its factorization.

25097832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6642 (or 6635 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 25097832 is about 5009.7736475813. The cubic root of 25097832 is about 292.7826940412.

The spelling of 25097832 in words is "twenty-five million, ninety-seven thousand, eight hundred thirty-two".