565342537 has 2 divisors, whose sum is σ = 565342538. Its totient is φ = 565342536.

The previous prime is 565342529. The next prime is 565342597. The reversal of 565342537 is 735243565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563777536 + 1565001 = 23744^2 + 1251^2 .

It is a cyclic number.

It is not a de Polignac number, because 565342537 - 2³ = 565342529 is a prime.

It is a super-2 number, since 2×565342537² = 639224368283192738, 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 565342537.

It is not a weakly prime, because it can be changed into another prime (565342597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282671268 + 282671269.

It is an arithmetic number, because the mean of its divisors is an integer number (282671269).

Almost surely, 2^565342537 is an apocalyptic number.

It is an amenable number.

565342537 is a deficient number, since it is larger than the sum of its proper divisors (1).

565342537 is an equidigital number, since it uses as much as digits as its factorization.

565342537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 40.

The square root of 565342537 is about 23776.9328762143. The cubic root of 565342537 is about 826.8699728850.

The spelling of 565342537 in words is "five hundred sixty-five million, three hundred forty-two thousand, five hundred thirty-seven".