566256237 has 4 divisors (see below), whose sum is σ = 755008320. Its totient is φ = 377504156.

The previous prime is 566256227. The next prime is 566256239. The reversal of 566256237 is 732652665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 566256237 - 2¹⁰ = 566255213 is a prime.

It is a super-2 number, since 2×566256237² = 641292251882800338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566256239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94376037 + ... + 94376042.

It is an arithmetic number, because the mean of its divisors is an integer number (188752080).

Almost surely, 2^566256237 is an apocalyptic number.

It is an amenable number.

566256237 is a deficient number, since it is larger than the sum of its proper divisors (188752083).

566256237 is a wasteful number, since it uses less digits than its factorization.

566256237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188752082.

The product of its digits is 453600, while the sum is 42.

The square root of 566256237 is about 23796.1391196135. The cubic root of 566256237 is about 827.3151923132.

The spelling of 566256237 in words is "five hundred sixty-six million, two hundred fifty-six thousand, two hundred thirty-seven".