264081277 has 2 divisors, whose sum is σ = 264081278. Its totient is φ = 264081276.

The previous prime is 264081241. The next prime is 264081289. The reversal of 264081277 is 772180462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227828836 + 36252441 = 15094^2 + 6021^2 .

It is a cyclic number.

It is not a de Polignac number, because 264081277 - 2⁷ = 264081149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264081577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132040638 + 132040639.

It is an arithmetic number, because the mean of its divisors is an integer number (132040639).

Almost surely, 2^264081277 is an apocalyptic number.

It is an amenable number.

264081277 is a deficient number, since it is larger than the sum of its proper divisors (1).

264081277 is an equidigital number, since it uses as much as digits as its factorization.

264081277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 264081277 is about 16250.5777435758. The cubic root of 264081277 is about 641.5726922665.

The spelling of 264081277 in words is "two hundred sixty-four million, eighty-one thousand, two hundred seventy-seven".