652516513613 has 4 divisors (see below), whose sum is σ = 670152095100. Its totient is φ = 634880932128.

The previous prime is 652516513603. The next prime is 652516513633. The reversal of 652516513613 is 316315615256.

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 473754136804 + 178762376809 = 688298^2 + 422803^2 .

It is a cyclic number.

It is not a de Polignac number, because 652516513613 - 2²⁰ = 652515465037 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 (652516513603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8817790688 + ... + 8817790761.

It is an arithmetic number, because the mean of its divisors is an integer number (167538023775).

Almost surely, 2^652516513613 is an apocalyptic number.

It is an amenable number.

652516513613 is a deficient number, since it is larger than the sum of its proper divisors (17635581487).

652516513613 is a wasteful number, since it uses less digits than its factorization.

652516513613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17635581486.

The product of its digits is 486000, while the sum is 44.

The spelling of 652516513613 in words is "six hundred fifty-two billion, five hundred sixteen million, five hundred thirteen thousand, six hundred thirteen".