25253635252 has 24 divisors (see below), whose sum is σ = 47676403656. Its totient is φ = 11659834368.

The previous prime is 25253635241. The next prime is 25253635273.

25253635252 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 4262261796 + 20991373456 = 65286^2 + 144884^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3499953 + ... + 3507160.

It is an arithmetic number, because the mean of its divisors is an integer number (1986516819).

Almost surely, 2^25253635252 is an apocalyptic number.

It is an amenable number.

25253635252 is a deficient number, since it is larger than the sum of its proper divisors (22422768404).

25253635252 is a wasteful number, since it uses less digits than its factorization.

25253635252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007187 (or 7007185 counting only the distinct ones).

The product of its digits is 540000, while the sum is 40.

The spelling of 25253635252 in words is "twenty-five billion, two hundred fifty-three million, six hundred thirty-five thousand, two hundred fifty-two".