52001515 has 4 divisors (see below), whose sum is σ = 62401824. Its totient is φ = 41601208.

The previous prime is 52001503. The next prime is 52001527. The reversal of 52001515 is 51510025.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52001503) and next prime (52001527).

It is a cyclic number.

It is not a de Polignac number, because 52001515 - 2⁵ = 52001483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52001492 and 52001501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5200147 + ... + 5200156.

It is an arithmetic number, because the mean of its divisors is an integer number (15600456).

Almost surely, 2^52001515 is an apocalyptic number.

52001515 is a deficient number, since it is larger than the sum of its proper divisors (10400309).

52001515 is a wasteful number, since it uses less digits than its factorization.

52001515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400308.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 52001515 is about 7211.2075965125. The cubic root of 52001515 is about 373.2547404891.

The spelling of 52001515 in words is "fifty-two million, one thousand, five hundred fifteen".