264775 has 24 divisors (see below), whose sum is σ = 401760. Its totient is φ = 168960.

The previous prime is 264769. The next prime is 264779. The reversal of 264775 is 577462.

It is not a de Polignac number, because 264775 - 2⁵ = 264743 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 6³ + 7 + 4⁹ + 7⁴ + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264779) 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 in 23 ways as a sum of consecutive naturals, for example, 2931 + ... + 3019.

It is an arithmetic number, because the mean of its divisors is an integer number (16740).

2²⁶⁴⁷⁷⁵ is an apocalyptic number.

264775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264775 is a deficient number, since it is larger than the sum of its proper divisors (136985).

264775 is a wasteful number, since it uses less digits than its factorization.

264775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 118 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 264775 is about 514.5629213226. The cubic root of 264775 is about 64.2133989884.

The spelling of 264775 in words is "two hundred sixty-four thousand, seven hundred seventy-five".