52412515 has 8 divisors (see below), whose sum is σ = 65629728. Its totient is φ = 40106880.

The previous prime is 52412509. The next prime is 52412527. The reversal of 52412515 is 51521425.

52412515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-52412515 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 52412515.

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 7 ways as a sum of consecutive naturals, for example, 227766 + ... + 227995.

It is an arithmetic number, because the mean of its divisors is an integer number (8203716).

Almost surely, 2^52412515 is an apocalyptic number.

52412515 is a deficient number, since it is larger than the sum of its proper divisors (13217213).

52412515 is a wasteful number, since it uses less digits than its factorization.

52412515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455789.

The product of its digits is 2000, while the sum is 25.

The square root of 52412515 is about 7239.6488174496. The cubic root of 52412515 is about 374.2355151528.

The spelling of 52412515 in words is "fifty-two million, four hundred twelve thousand, five hundred fifteen".