652007100391 has 4 divisors (see below), whose sum is σ = 652678581384. Its totient is φ = 651335619400.

The previous prime is 652007100347. The next prime is 652007100403. The reversal of 652007100391 is 193001700256.

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 652007100391 - 2⁹ = 652007099879 is a prime.

It is a super-2 number, since 2×652007100391² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652007101391) 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, 335739040 + ... + 335740981.

It is an arithmetic number, because the mean of its divisors is an integer number (163169645346).

Almost surely, 2^652007100391 is an apocalyptic number.

652007100391 is a deficient number, since it is larger than the sum of its proper divisors (671480993).

652007100391 is an equidigital number, since it uses as much as digits as its factorization.

652007100391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671480992.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 652007100391 in words is "six hundred fifty-two billion, seven million, one hundred thousand, three hundred ninety-one".