264523331 has 2 divisors, whose sum is σ = 264523332. Its totient is φ = 264523330.

The previous prime is 264523319. The next prime is 264523381. The reversal of 264523331 is 133325462.

264523331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264523331 is a prime.

It is a super-2 number, since 2×264523331² = 139945185286671122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 264523294 and 264523303.

It is not a weakly prime, because it can be changed into another prime (264523381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132261665 + 132261666.

It is an arithmetic number, because the mean of its divisors is an integer number (132261666).

Almost surely, 2^264523331 is an apocalyptic number.

264523331 is a deficient number, since it is larger than the sum of its proper divisors (1).

264523331 is an equidigital number, since it uses as much as digits as its factorization.

264523331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 264523331 is about 16264.1732344439. The cubic root of 264523331 is about 641.9304756446.

Adding to 264523331 its reverse (133325462), we get a palindrome (397848793).

It can be divided in two parts, 2645 and 23331, that multiplied together give a triangular number (61710495 = T₁₁₁₀₉).

The spelling of 264523331 in words is "two hundred sixty-four million, five hundred twenty-three thousand, three hundred thirty-one".