566313953 has 2 divisors, whose sum is σ = 566313954. Its totient is φ = 566313952.

The previous prime is 566313863. The next prime is 566313959. The reversal of 566313953 is 359313665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558518689 + 7795264 = 23633^2 + 2792^2 .

It is a cyclic number.

It is not a de Polignac number, because 566313953 - 2¹² = 566309857 is a prime.

It is a super-2 number, since 2×566313953² = 641422986724972418, which contains 22 as substring.

It is equal to p_29655509 and since 566313953 and 29655509 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 566313953.

It is not a weakly prime, because it can be changed into another prime (566313959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283156976 + 283156977.

It is an arithmetic number, because the mean of its divisors is an integer number (283156977).

Almost surely, 2^566313953 is an apocalyptic number.

It is an amenable number.

566313953 is a deficient number, since it is larger than the sum of its proper divisors (1).

566313953 is an equidigital number, since it uses as much as digits as its factorization.

566313953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218700, while the sum is 41.

The square root of 566313953 is about 23797.3518064511. The cubic root of 566313953 is about 827.3432995542.

The spelling of 566313953 in words is "five hundred sixty-six million, three hundred thirteen thousand, nine hundred fifty-three".