564995537 has 2 divisors, whose sum is σ = 564995538. Its totient is φ = 564995536.

The previous prime is 564995489. The next prime is 564995549. The reversal of 564995537 is 735599465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459502096 + 105493441 = 21436^2 + 10271^2 .

It is a cyclic number.

It is not a de Polignac number, because 564995537 - 2¹⁰ = 564994513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (564998537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282497768 + 282497769.

It is an arithmetic number, because the mean of its divisors is an integer number (282497769).

Almost surely, 2^564995537 is an apocalyptic number.

It is an amenable number.

564995537 is a deficient number, since it is larger than the sum of its proper divisors (1).

564995537 is an equidigital number, since it uses as much as digits as its factorization.

564995537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103000, while the sum is 53.

The square root of 564995537 is about 23769.6347679135. The cubic root of 564995537 is about 826.7007641987.

The spelling of 564995537 in words is "five hundred sixty-four million, nine hundred ninety-five thousand, five hundred thirty-seven".