264156953 has 2 divisors, whose sum is σ = 264156954. Its totient is φ = 264156952.

The previous prime is 264156941. The next prime is 264157007. The reversal of 264156953 is 359651462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163916809 + 100240144 = 12803^2 + 10012^2 .

It is a cyclic number.

It is not a de Polignac number, because 264156953 - 2¹² = 264152857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264156953.

It is not a weakly prime, because it can be changed into another prime (264156253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132078476 + 132078477.

It is an arithmetic number, because the mean of its divisors is an integer number (132078477).

Almost surely, 2^264156953 is an apocalyptic number.

It is an amenable number.

264156953 is a deficient number, since it is larger than the sum of its proper divisors (1).

264156953 is an equidigital number, since it uses as much as digits as its factorization.

264156953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 264156953 is about 16252.9059863152. The cubic root of 264156953 is about 641.6339701411.

The spelling of 264156953 in words is "two hundred sixty-four million, one hundred fifty-six thousand, nine hundred fifty-three".