25500052 has 12 divisors (see below), whose sum is σ = 46973920. Its totient is φ = 12078936.

The previous prime is 25500047. The next prime is 25500053. The reversal of 25500052 is 25000552.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25500053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167688 + ... + 167839.

Almost surely, 2^25500052 is an apocalyptic number.

It is an amenable number.

25500052 is a deficient number, since it is larger than the sum of its proper divisors (21473868).

25500052 is a wasteful number, since it uses less digits than its factorization.

25500052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335550 (or 335548 counting only the distinct ones).

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

The square root of 25500052 is about 5049.7576179456. The cubic root of 25500052 is about 294.3384659171.

Adding to 25500052 its product of nonzero digits (500), we get a palindrome (25500552).

Subtracting from 25500052 its reverse (25000552), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 25500052 in words is "twenty-five million, five hundred thousand, fifty-two".