264662401 has 2 divisors, whose sum is σ = 264662402. Its totient is φ = 264662400.

The previous prime is 264662393. The next prime is 264662429. The reversal of 264662401 is 104266462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255200625 + 9461776 = 15975^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 264662401 - 2³ = 264662393 is a prime.

It is not a weakly prime, because it can be changed into another prime (264662441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132331200 + 132331201.

It is an arithmetic number, because the mean of its divisors is an integer number (132331201).

Almost surely, 2^264662401 is an apocalyptic number.

It is an amenable number.

264662401 is a deficient number, since it is larger than the sum of its proper divisors (1).

264662401 is an equidigital number, since it uses as much as digits as its factorization.

264662401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 264662401 is about 16268.4480206318. The cubic root of 264662401 is about 642.0429517108.

The spelling of 264662401 in words is "two hundred sixty-four million, six hundred sixty-two thousand, four hundred one".