264375 has 30 divisors (see below), whose sum is σ = 487344. Its totient is φ = 138000.

The previous prime is 264371. The next prime is 264391. The reversal of 264375 is 573462.

It is a happy number.

It is not a de Polignac number, because 264375 - 2² = 264371 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6 + 3 + 4⁹ + 7² + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264371) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5602 + ... + 5648.

264375 is a Friedman number, since it can be written as 34*6^5-7-2, using all its digits and the basic arithmetic operations.

2²⁶⁴³⁷⁵ is an apocalyptic number.

264375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264375 is a deficient number, since it is larger than the sum of its proper divisors (222969).

264375 is an equidigital number, since it uses as much as digits as its factorization.

264375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 55 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 264375 is about 514.1740950301. The cubic root of 264375 is about 64.1810466076.

The spelling of 264375 in words is "two hundred sixty-four thousand, three hundred seventy-five".