566305253 has 2 divisors, whose sum is σ = 566305254. Its totient is φ = 566305252.

The previous prime is 566305237. The next prime is 566305277. The reversal of 566305253 is 352503665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428407204 + 137898049 = 20698^2 + 11743^2 .

It is a cyclic number.

It is not a de Polignac number, because 566305253 - 2⁴ = 566305237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566305213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283152626 + 283152627.

It is an arithmetic number, because the mean of its divisors is an integer number (283152627).

Almost surely, 2^566305253 is an apocalyptic number.

It is an amenable number.

566305253 is a deficient number, since it is larger than the sum of its proper divisors (1).

566305253 is an equidigital number, since it uses as much as digits as its factorization.

566305253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 566305253 is about 23797.1690123006. The cubic root of 566305253 is about 827.3390628444.

The spelling of 566305253 in words is "five hundred sixty-six million, three hundred five thousand, two hundred fifty-three".