652560680305 has 4 divisors (see below), whose sum is σ = 783072816372. Its totient is φ = 522048544240.

The previous prime is 652560680249. The next prime is 652560680323. The reversal of 652560680305 is 503086065256.

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 113348035584 + 539212644721 = 336672^2 + 734311^2 .

It is not a de Polignac number, because 652560680305 - 2²⁷ = 652426462577 is a prime.

It is a Duffinian number.

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, 65256068026 + ... + 65256068035.

It is an arithmetic number, because the mean of its divisors is an integer number (195768204093).

Almost surely, 2^652560680305 is an apocalyptic number.

It is an amenable number.

652560680305 is a deficient number, since it is larger than the sum of its proper divisors (130512136067).

652560680305 is a wasteful number, since it uses less digits than its factorization.

652560680305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130512136066.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 652560680305 in words is "six hundred fifty-two billion, five hundred sixty million, six hundred eighty thousand, three hundred five".