25520832 has 98 divisors (see below), whose sum is σ = 76068428. Its totient is φ = 8491392.

The previous prime is 25520827. The next prime is 25520849. The reversal of 25520832 is 23802552.

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 = 25520796 and 25520805.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 46383 + ... + 46929.

Almost surely, 2^25520832 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 25520832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38034214).

25520832 is an abundant number, since it is smaller than the sum of its proper divisors (50547596).

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

25520832 is an frugal number, since it uses more digits than its factorization.

25520832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 25520832 is about 5051.8147234434. The cubic root of 25520832 is about 294.4183963772.

The spelling of 25520832 in words is "twenty-five million, five hundred twenty thousand, eight hundred thirty-two".