52501517 has 4 divisors (see below), whose sum is σ = 53021436. Its totient is φ = 51981600.

The previous prime is 52501487. The next prime is 52501529. The reversal of 52501517 is 71510525.

It is a happy number.

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 26020201 + 26481316 = 5101^2 + 5146^2 .

It is a cyclic number.

It is not a de Polignac number, because 52501517 - 2²⁰ = 51452941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52501577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259808 + ... + 260009.

It is an arithmetic number, because the mean of its divisors is an integer number (13255359).

Almost surely, 2^52501517 is an apocalyptic number.

It is an amenable number.

52501517 is a deficient number, since it is larger than the sum of its proper divisors (519919).

52501517 is a wasteful number, since it uses less digits than its factorization.

52501517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519918.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 52501517 is about 7245.7930552839. The cubic root of 52501517 is about 374.4472258720.

The spelling of 52501517 in words is "fifty-two million, five hundred one thousand, five hundred seventeen".