264715 has 8 divisors (see below), whose sum is σ = 346608. Its totient is φ = 192480.

The previous prime is 264697. The next prime is 264731. The reversal of 264715 is 517462.

264715 = T₁₄₄ + T₁₄₅ + ... + T₁₆₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264715 - 2¹⁵ = 231947 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 6² + 7⁴ + 4⁹ + 1 + 5 .

It is a Duffinian number.

264715 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 264715.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2352 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (43326).

2²⁶⁴⁷¹⁵ is an apocalyptic number.

264715 is a deficient number, since it is larger than the sum of its proper divisors (81893).

264715 is a wasteful number, since it uses less digits than its factorization.

264715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829.

The product of its digits is 1680, while the sum is 25.

The square root of 264715 is about 514.5046161115. The cubic root of 264715 is about 64.2085482094.

It can be divided in two parts, 26471 and 5, that multiplied together give a triangular number (132355 = T₅₁₄).

The spelling of 264715 in words is "two hundred sixty-four thousand, seven hundred fifteen".