25115252 has 6 divisors (see below), whose sum is σ = 43951698. Its totient is φ = 12557624.

The previous prime is 25115227. The next prime is 25115257. The reversal of 25115252 is 25251152.

It can be written as a sum of positive squares in only one way, i.e., 24960016 + 155236 = 4996^2 + 394^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139403 + ... + 3139410.

It is an arithmetic number, because the mean of its divisors is an integer number (7325283).

Almost surely, 2^25115252 is an apocalyptic number.

It is an amenable number.

25115252 is a deficient number, since it is larger than the sum of its proper divisors (18836446).

25115252 is a wasteful number, since it uses less digits than its factorization.

25115252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278817 (or 6278815 counting only the distinct ones).

The product of its digits is 1000, while the sum is 23.

The square root of 25115252 is about 5011.5119475065. The cubic root of 25115252 is about 292.8504169555.

The spelling of 25115252 in words is "twenty-five million, one hundred fifteen thousand, two hundred fifty-two".