564926377 has 2 divisors, whose sum is σ = 564926378. Its totient is φ = 564926376.

The previous prime is 564926363. The next prime is 564926407. The reversal of 564926377 is 773629465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530104576 + 34821801 = 23024^2 + 5901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564926377 is a prime.

It is a super-2 number, since 2×564926377² = 638283622860692258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 564926377.

It is not a weakly prime, because it can be changed into another prime (564926347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282463188 + 282463189.

It is an arithmetic number, because the mean of its divisors is an integer number (282463189).

Almost surely, 2^564926377 is an apocalyptic number.

It is an amenable number.

564926377 is a deficient number, since it is larger than the sum of its proper divisors (1).

564926377 is an equidigital number, since it uses as much as digits as its factorization.

564926377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The square root of 564926377 is about 23768.1799261113. The cubic root of 564926377 is about 826.6670312137.

The spelling of 564926377 in words is "five hundred sixty-four million, nine hundred twenty-six thousand, three hundred seventy-seven".