52502252521 has 4 divisors (see below), whose sum is σ = 53011983232. Its totient is φ = 51992521812.

The previous prime is 52502252431. The next prime is 52502252527. The reversal of 52502252521 is 12525220525.

52502252521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52502252521 - 2⁹ = 52502252009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52502252527) 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, 254865201 + ... + 254865406.

It is an arithmetic number, because the mean of its divisors is an integer number (13252995808).

Almost surely, 2^52502252521 is an apocalyptic number.

It is an amenable number.

52502252521 is a deficient number, since it is larger than the sum of its proper divisors (509730711).

52502252521 is a wasteful number, since it uses less digits than its factorization.

52502252521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509730710.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 52502252521 in words is "fifty-two billion, five hundred two million, two hundred fifty-two thousand, five hundred twenty-one".