565479253 has 2 divisors, whose sum is σ = 565479254. Its totient is φ = 565479252.

The previous prime is 565479223. The next prime is 565479293. The reversal of 565479253 is 352974565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542983204 + 22496049 = 23302^2 + 4743^2 .

It is a cyclic number.

It is not a de Polignac number, because 565479253 - 2⁵ = 565479221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565479203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282739626 + 282739627.

It is an arithmetic number, because the mean of its divisors is an integer number (282739627).

Almost surely, 2^565479253 is an apocalyptic number.

It is an amenable number.

565479253 is a deficient number, since it is larger than the sum of its proper divisors (1).

565479253 is an equidigital number, since it uses as much as digits as its factorization.

565479253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 46.

The square root of 565479253 is about 23779.8076737387. The cubic root of 565479253 is about 826.9366211183.

The spelling of 565479253 in words is "five hundred sixty-five million, four hundred seventy-nine thousand, two hundred fifty-three".