264961057 has 2 divisors, whose sum is σ = 264961058. Its totient is φ = 264961056.

The previous prime is 264961009. The next prime is 264961063. The reversal of 264961057 is 750169462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170015521 + 94945536 = 13039^2 + 9744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264961057 is a prime.

It is equal to p_14451799 and since 264961057 and 14451799 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (264961757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132480528 + 132480529.

It is an arithmetic number, because the mean of its divisors is an integer number (132480529).

Almost surely, 2^264961057 is an apocalyptic number.

It is an amenable number.

264961057 is a deficient number, since it is larger than the sum of its proper divisors (1).

264961057 is an equidigital number, since it uses as much as digits as its factorization.

264961057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 264961057 is about 16277.6244274157. The cubic root of 264961057 is about 642.2843635346.

The spelling of 264961057 in words is "two hundred sixty-four million, nine hundred sixty-one thousand, fifty-seven".