652651512539 has 4 divisors (see below), whose sum is σ = 702855475056. Its totient is φ = 602447550024.

The previous prime is 652651512521. The next prime is 652651512547. The reversal of 652651512539 is 935215156256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 652651512539 - 2¹⁶ = 652651447003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652651512509) 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, 25101981239 + ... + 25101981264.

It is an arithmetic number, because the mean of its divisors is an integer number (175713868764).

Almost surely, 2^652651512539 is an apocalyptic number.

652651512539 is a deficient number, since it is larger than the sum of its proper divisors (50203962517).

652651512539 is a wasteful number, since it uses less digits than its factorization.

652651512539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50203962516.

The product of its digits is 2430000, while the sum is 50.

The spelling of 652651512539 in words is "six hundred fifty-two billion, six hundred fifty-one million, five hundred twelve thousand, five hundred thirty-nine".