264361 has 4 divisors (see below), whose sum is σ = 266112. Its totient is φ = 262612.

The previous prime is 264359. The next prime is 264371. The reversal of 264361 is 163462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 264361 - 2¹ = 264359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625 + ... + 958.

It is an arithmetic number, because the mean of its divisors is an integer number (66528).

2²⁶⁴³⁶¹ is an apocalyptic number.

It is an amenable number.

264361 is a deficient number, since it is larger than the sum of its proper divisors (1751).

264361 is a wasteful number, since it uses less digits than its factorization.

264361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750.

The product of its digits is 864, while the sum is 22.

The square root of 264361 is about 514.1604807840. The cubic root of 264361 is about 64.1799136834.

Adding to 264361 its product of digits (864), we get a square (265225 = 515²).

It can be divided in two parts, 2643 and 61, that added together give a square (2704 = 52²).

The spelling of 264361 in words is "two hundred sixty-four thousand, three hundred sixty-one".