567494957 has 2 divisors, whose sum is σ = 567494958. Its totient is φ = 567494956.

The previous prime is 567494887. The next prime is 567494971. The reversal of 567494957 is 759494765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386161801 + 181333156 = 19651^2 + 13466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-567494957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (567496957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283747478 + 283747479.

It is an arithmetic number, because the mean of its divisors is an integer number (283747479).

Almost surely, 2^567494957 is an apocalyptic number.

It is an amenable number.

567494957 is a deficient number, since it is larger than the sum of its proper divisors (1).

567494957 is an equidigital number, since it uses as much as digits as its factorization.

567494957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 56.

The square root of 567494957 is about 23822.1526525207. The cubic root of 567494957 is about 827.9180204062.

The spelling of 567494957 in words is "five hundred sixty-seven million, four hundred ninety-four thousand, nine hundred fifty-seven".