252553253 has 4 divisors (see below), whose sum is σ = 255391020. Its totient is φ = 249715488.

The previous prime is 252553247. The next prime is 252553261. The reversal of 252553253 is 352355252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81414529 + 171138724 = 9023^2 + 13082^2 .

It is a de Polignac number, because none of the positive numbers 2^k-252553253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418750 + ... + 1418927.

It is an arithmetic number, because the mean of its divisors is an integer number (63847755).

Almost surely, 2^252553253 is an apocalyptic number.

It is an amenable number.

252553253 is a deficient number, since it is larger than the sum of its proper divisors (2837767).

252553253 is an equidigital number, since it uses as much as digits as its factorization.

252553253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837766.

The product of its digits is 45000, while the sum is 32.

The square root of 252553253 is about 15891.9241440425. The cubic root of 252553253 is about 632.0978632903.

The spelling of 252553253 in words is "two hundred fifty-two million, five hundred fifty-three thousand, two hundred fifty-three".