264351 has 4 divisors (see below), whose sum is σ = 352472. Its totient is φ = 176232.

The previous prime is 264349. The next prime is 264353. The reversal of 264351 is 153462.

It is a happy number.

264351 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (264349) and next prime (264353).

It is not a de Polignac number, because 264351 - 2¹ = 264349 is a prime.

It is a d-powerful number, because it can be written as 2³ + 6 + 3⁷ + 4⁹ + 5 + 1 .

It is a D-number.

It is a Duffinian number.

264351 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264353) 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, 44056 + ... + 44061.

It is an arithmetic number, because the mean of its divisors is an integer number (88118).

2²⁶⁴³⁵¹ is an apocalyptic number.

264351 is a deficient number, since it is larger than the sum of its proper divisors (88121).

264351 is an equidigital number, since it uses as much as digits as its factorization.

264351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88120.

The product of its digits is 720, while the sum is 21.

The square root of 264351 is about 514.1507561017. The cubic root of 264351 is about 64.1791044273.

Subtracting from 264351 its reverse (153462), we obtain a square (110889 = 333²).

The spelling of 264351 in words is "two hundred sixty-four thousand, three hundred fifty-one".