264642311 has 2 divisors, whose sum is σ = 264642312. Its totient is φ = 264642310.

The previous prime is 264642307. The next prime is 264642353. The reversal of 264642311 is 113246462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264642311 - 2² = 264642307 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264642361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132321155 + 132321156.

It is an arithmetic number, because the mean of its divisors is an integer number (132321156).

Almost surely, 2^264642311 is an apocalyptic number.

264642311 is a deficient number, since it is larger than the sum of its proper divisors (1).

264642311 is an equidigital number, since it uses as much as digits as its factorization.

264642311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 264642311 is about 16267.8305560391. The cubic root of 264642311 is about 642.0267058957.

Adding to 264642311 its reverse (113246462), we get a palindrome (377888773).

The spelling of 264642311 in words is "two hundred sixty-four million, six hundred forty-two thousand, three hundred eleven".