264995 has 4 divisors (see below), whose sum is σ = 318000. Its totient is φ = 211992.

The previous prime is 264991. The next prime is 264997. The reversal of 264995 is 599462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 599462 = 2 ⋅299731.

It is a cyclic number.

It is not a de Polignac number, because 264995 - 2² = 264991 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (264991) 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 3 ways as a sum of consecutive naturals, for example, 26495 + ... + 26504.

It is an arithmetic number, because the mean of its divisors is an integer number (79500).

2²⁶⁴⁹⁹⁵ is an apocalyptic number.

264995 is a deficient number, since it is larger than the sum of its proper divisors (53005).

264995 is an equidigital number, since it uses as much as digits as its factorization.

264995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53004.

The product of its digits is 19440, while the sum is 35.

The square root of 264995 is about 514.7766505971. The cubic root of 264995 is about 64.2311789109.

It can be divided in two parts, 2649 and 95, that added together give a cube (2744 = 14³).

The spelling of 264995 in words is "two hundred sixty-four thousand, nine hundred ninety-five".