52512207213 has 4 divisors (see below), whose sum is σ = 70016276288. Its totient is φ = 35008138140.

The previous prime is 52512207211. The next prime is 52512207233. The reversal of 52512207213 is 31270221525.

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 not a de Polignac number, because 52512207213 - 2¹ = 52512207211 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 (52512207211) 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, 8752034533 + ... + 8752034538.

It is an arithmetic number, because the mean of its divisors is an integer number (17504069072).

Almost surely, 2^52512207213 is an apocalyptic number.

It is an amenable number.

52512207213 is a deficient number, since it is larger than the sum of its proper divisors (17504069075).

52512207213 is a wasteful number, since it uses less digits than its factorization.

52512207213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17504069074.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 52512207213 its reverse (31270221525), we get a palindrome (83782428738).

The spelling of 52512207213 in words is "fifty-two billion, five hundred twelve million, two hundred seven thousand, two hundred thirteen".