564161149 has 2 divisors, whose sum is σ = 564161150. Its totient is φ = 564161148.

The previous prime is 564161137. The next prime is 564161177. The reversal of 564161149 is 941161465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461949049 + 102212100 = 21493^2 + 10110^2 .

It is a cyclic number.

It is not a de Polignac number, because 564161149 - 2¹⁹ = 563636861 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564161249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282080574 + 282080575.

It is an arithmetic number, because the mean of its divisors is an integer number (282080575).

Almost surely, 2^564161149 is an apocalyptic number.

It is an amenable number.

564161149 is a deficient number, since it is larger than the sum of its proper divisors (1).

564161149 is an equidigital number, since it uses as much as digits as its factorization.

564161149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 564161149 is about 23752.0767302567. The cubic root of 564161149 is about 826.2936052082.

The spelling of 564161149 in words is "five hundred sixty-four million, one hundred sixty-one thousand, one hundred forty-nine".