264015 has 12 divisors (see below), whose sum is σ = 457704. Its totient is φ = 140784.

The previous prime is 264013. The next prime is 264029. The reversal of 264015 is 510462.

It is a happy number.

264015 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264015 - 2¹ = 264013 is a prime.

264015 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 (264013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2889 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (38142).

2²⁶⁴⁰¹⁵ is an apocalyptic number.

264015 is a deficient number, since it is larger than the sum of its proper divisors (193689).

264015 is a wasteful number, since it uses less digits than its factorization.

264015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 264015 is about 513.8238997945. The cubic root of 264015 is about 64.1519015520.

Adding to 264015 its reverse (510462), we get a palindrome (774477).

The spelling of 264015 in words is "two hundred sixty-four thousand, fifteen".