52815265 has 4 divisors (see below), whose sum is σ = 63378324. Its totient is φ = 42252208.

The previous prime is 52815251. The next prime is 52815283. The reversal of 52815265 is 56251825.

52815265 is digitally balanced in base 2, 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 can be written as a sum of positive squares in 2 ways, for example, as 34187409 + 18627856 = 5847^2 + 4316^2 .

It is a cyclic number.

It is not a de Polignac number, because 52815265 - 2¹⁷ = 52684193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52815265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5281522 + ... + 5281531.

It is an arithmetic number, because the mean of its divisors is an integer number (15844581).

Almost surely, 2^52815265 is an apocalyptic number.

It is an amenable number.

52815265 is a deficient number, since it is larger than the sum of its proper divisors (10563059).

52815265 is a wasteful number, since it uses less digits than its factorization.

52815265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10563058.

The product of its digits is 24000, while the sum is 34.

The square root of 52815265 is about 7267.4111621677. The cubic root of 52815265 is about 375.1916413055.

The spelling of 52815265 in words is "fifty-two million, eight hundred fifteen thousand, two hundred sixty-five".