566496257 has 2 divisors, whose sum is σ = 566496258. Its totient is φ = 566496256.

The previous prime is 566496247. The next prime is 566496367. The reversal of 566496257 is 752694665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424195216 + 142301041 = 20596^2 + 11929^2 .

It is a cyclic number.

It is not a de Polignac number, because 566496257 - 2⁴ = 566496241 is a prime.

It is not a weakly prime, because it can be changed into another prime (566496247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283248128 + 283248129.

It is an arithmetic number, because the mean of its divisors is an integer number (283248129).

Almost surely, 2^566496257 is an apocalyptic number.

It is an amenable number.

566496257 is a deficient number, since it is larger than the sum of its proper divisors (1).

566496257 is an equidigital number, since it uses as much as digits as its factorization.

566496257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The square root of 566496257 is about 23801.1818404045. The cubic root of 566496257 is about 827.4320676367.

The spelling of 566496257 in words is "five hundred sixty-six million, four hundred ninety-six thousand, two hundred fifty-seven".