566042731 has 2 divisors, whose sum is σ = 566042732. Its totient is φ = 566042730.

The previous prime is 566042707. The next prime is 566042753. The reversal of 566042731 is 137240665.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566042731 is a prime.

It is a super-2 number, since 2×566042731² = 640808746635876722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (566042791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283021365 + 283021366.

It is an arithmetic number, because the mean of its divisors is an integer number (283021366).

Almost surely, 2^566042731 is an apocalyptic number.

566042731 is a deficient number, since it is larger than the sum of its proper divisors (1).

566042731 is an equidigital number, since it uses as much as digits as its factorization.

566042731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 566042731 is about 23791.6525487407. The cubic root of 566042731 is about 827.2111999562.

The spelling of 566042731 in words is "five hundred sixty-six million, forty-two thousand, seven hundred thirty-one".