25552 has 10 divisors (see below), whose sum is σ = 49538. Its totient is φ = 12768.

The previous prime is 25541. The next prime is 25561.

25552 is nontrivially palindromic in base 10 and base 15.

It can be written as a sum of positive squares in only one way, i.e., 18496 + 7056 = 136^2 + 84^2 .

It is a congruent number.

It is an unprimeable number.

25552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 783 + ... + 814.

2²⁵⁵⁵² is an apocalyptic number.

It is an amenable number.

25552 is a deficient number, since it is larger than the sum of its proper divisors (23986).

25552 is a wasteful number, since it uses less digits than its factorization.

25552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1599 counting only the distinct ones).

The product of its digits is 500, while the sum is 19.

The square root of 25552 is about 159.8499296215. The cubic root of 25552 is about 29.4538203070.

Subtracting from 25552 its product of digits (500), we obtain a palindrome (25052).

The spelling of 25552 in words is "twenty-five thousand, five hundred fifty-two".