52312615 has 8 divisors (see below), whose sum is σ = 63570240. Its totient is φ = 41320032.

The previous prime is 52312609. The next prime is 52312619. The reversal of 52312615 is 51621325.

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

It is a cyclic number.

It is not a de Polignac number, because 52312615 - 2⁹ = 52312103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52312615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52312619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65824 + ... + 66613.

It is an arithmetic number, because the mean of its divisors is an integer number (7946280).

Almost surely, 2^52312615 is an apocalyptic number.

52312615 is a deficient number, since it is larger than the sum of its proper divisors (11257625).

52312615 is a wasteful number, since it uses less digits than its factorization.

52312615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132521.

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

The square root of 52312615 is about 7232.7460207033. The cubic root of 52312615 is about 373.9975954739.

It can be divided in two parts, 5231 and 2615, that multiplied together give a triangular number (13679065 = T₅₂₃₀).

The spelling of 52312615 in words is "fifty-two million, three hundred twelve thousand, six hundred fifteen".