52312165 has 16 divisors (see below), whose sum is σ = 63999936. Its totient is φ = 41040000.

The previous prime is 52312157. The next prime is 52312171. The reversal of 52312165 is 56121325.

52312165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52312165 - 2³ = 52312157 is a prime.

It is a Duffinian number.

Its product of digits (1800) is a multiple of the sum of its prime divisors (900).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 91330 + ... + 91900.

It is an arithmetic number, because the mean of its divisors is an integer number (3999996).

Almost surely, 2^52312165 is an apocalyptic number.

It is an amenable number.

52312165 is a deficient number, since it is larger than the sum of its proper divisors (11687771).

52312165 is a wasteful number, since it uses less digits than its factorization.

52312165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its digits is 1800, while the sum is 25.

The square root of 52312165 is about 7232.7149121198. The cubic root of 52312165 is about 373.9965230786.

It can be divided in two parts, 5231 and 2165, that added together give a square (7396 = 86²).

The spelling of 52312165 in words is "fifty-two million, three hundred twelve thousand, one hundred sixty-five".