264795431 has 2 divisors, whose sum is σ = 264795432. Its totient is φ = 264795430.

The previous prime is 264795341. The next prime is 264795463. The reversal of 264795431 is 134597462.

Together with previous prime (264795341) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264795431 - 2¹⁰ = 264794407 is a prime.

It is a super-2 number, since 2×264795431² = 140233240556951522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264795631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132397715 + 132397716.

It is an arithmetic number, because the mean of its divisors is an integer number (132397716).

Almost surely, 2^264795431 is an apocalyptic number.

264795431 is a deficient number, since it is larger than the sum of its proper divisors (1).

264795431 is an equidigital number, since it uses as much as digits as its factorization.

264795431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 264795431 is about 16272.5360961345. The cubic root of 264795431 is about 642.1505059222.

The spelling of 264795431 in words is "two hundred sixty-four million, seven hundred ninety-five thousand, four hundred thirty-one".