252805253 has 2 divisors, whose sum is σ = 252805254. Its totient is φ = 252805252.

The previous prime is 252805247. The next prime is 252805291. The reversal of 252805253 is 352508252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245925124 + 6880129 = 15682^2 + 2623^2 .

It is a cyclic number.

It is not a de Polignac number, because 252805253 - 2⁸ = 252804997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252805243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126402626 + 126402627.

It is an arithmetic number, because the mean of its divisors is an integer number (126402627).

Almost surely, 2^252805253 is an apocalyptic number.

It is an amenable number.

252805253 is a deficient number, since it is larger than the sum of its proper divisors (1).

252805253 is an equidigital number, since it uses as much as digits as its factorization.

252805253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 252805253 is about 15899.8507225697. The cubic root of 252805253 is about 632.3080311250.

The spelling of 252805253 in words is "two hundred fifty-two million, eight hundred five thousand, two hundred fifty-three".