25240552 has 8 divisors (see below), whose sum is σ = 47326050. Its totient is φ = 12620272.

The previous prime is 25240513. The next prime is 25240573. The reversal of 25240552 is 25504252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20196036 + 5044516 = 4494^2 + 2246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577527 + ... + 1577542.

Almost surely, 2^25240552 is an apocalyptic number.

It is an amenable number.

25240552 is a deficient number, since it is larger than the sum of its proper divisors (22085498).

25240552 is a wasteful number, since it uses less digits than its factorization.

25240552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155075 (or 3155071 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 25240552 is about 5023.9976114644. The cubic root of 25240552 is about 293.3366195683.

It can be divided in two parts, 252 and 40552, that added together give a palindrome (40804).

The spelling of 25240552 in words is "twenty-five million, two hundred forty thousand, five hundred fifty-two".