566557245 has 12 divisors (see below), whose sum is σ = 982032636. Its totient is φ = 302163840.

The previous prime is 566557237. The next prime is 566557247. The reversal of 566557245 is 542755665.

566557245 is a `hidden beast` number, since 56 + 6 + 557 + 2 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 174398436 + 392158809 = 13206^2 + 19803^2 .

It is not a de Polignac number, because 566557245 - 2³ = 566557237 is a prime.

It is a super-2 number, since 2×566557245² = 641974223723980050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12590161 = 566557245 / (5 + 6 + 6 + 5 + 5 + 7 + 2 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 566557245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566557247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6295036 + ... + 6295125.

It is an arithmetic number, because the mean of its divisors is an integer number (81836053).

Almost surely, 2^566557245 is an apocalyptic number.

It is an amenable number.

566557245 is a deficient number, since it is larger than the sum of its proper divisors (415475391).

566557245 is a wasteful number, since it uses less digits than its factorization.

566557245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590172 (or 12590169 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 566557245 is about 23802.4630028071. The cubic root of 566557245 is about 827.4617598695.

It can be divided in two parts, 56655724 and 5, that added together give a square (56655729 = 7527²).

The spelling of 566557245 in words is "five hundred sixty-six million, five hundred fifty-seven thousand, two hundred forty-five".