264684961 has 2 divisors, whose sum is σ = 264684962. Its totient is φ = 264684960.

The previous prime is 264684919. The next prime is 264684977. The reversal of 264684961 is 169486462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221861025 + 42823936 = 14895^2 + 6544^2 .

It is a cyclic number.

It is not a de Polignac number, because 264684961 - 2⁹ = 264684449 is a prime.

It is not a weakly prime, because it can be changed into another prime (264684061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132342480 + 132342481.

It is an arithmetic number, because the mean of its divisors is an integer number (132342481).

Almost surely, 2^264684961 is an apocalyptic number.

It is an amenable number.

264684961 is a deficient number, since it is larger than the sum of its proper divisors (1).

264684961 is an equidigital number, since it uses as much as digits as its factorization.

264684961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 46.

The square root of 264684961 is about 16269.1413725494. The cubic root of 264684961 is about 642.0611939159.

The spelling of 264684961 in words is "two hundred sixty-four million, six hundred eighty-four thousand, nine hundred sixty-one".