264520315 has 16 divisors (see below), whose sum is σ = 325775520. Its totient is φ = 206068480.

The previous prime is 264520307. The next prime is 264520331. The reversal of 264520315 is 513025462.

It is not a de Polignac number, because 264520315 - 2³ = 264520307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162576 + ... + 164194.

It is an arithmetic number, because the mean of its divisors is an integer number (20360970).

Almost surely, 2^264520315 is an apocalyptic number.

264520315 is a deficient number, since it is larger than the sum of its proper divisors (61255205).

264520315 is a wasteful number, since it uses less digits than its factorization.

264520315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 264520315 is about 16264.0805150491. The cubic root of 264520315 is about 641.9280359484.

Adding to 264520315 its reverse (513025462), we get a palindrome (777545777).

The spelling of 264520315 in words is "two hundred sixty-four million, five hundred twenty thousand, three hundred fifteen".