264881 has 2 divisors, whose sum is σ = 264882. Its totient is φ = 264880.

The previous prime is 264871. The next prime is 264889. The reversal of 264881 is 188462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 30625 = 484^2 + 175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264881 is a prime.

It is a super-2 number, since 2×264881² = 140323888322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132440 + 132441.

It is an arithmetic number, because the mean of its divisors is an integer number (132441).

2²⁶⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

264881 is a deficient number, since it is larger than the sum of its proper divisors (1).

264881 is an equidigital number, since it uses as much as digits as its factorization.

264881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 29.

The square root of 264881 is about 514.6659110530. The cubic root of 264881 is about 64.2219669073.

The spelling of 264881 in words is "two hundred sixty-four thousand, eight hundred eighty-one".