652007879 has 4 divisors (see below), whose sum is σ = 663058920. Its totient is φ = 640956840.

The previous prime is 652007869. The next prime is 652007897. The reversal of 652007879 is 978700256.

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 652007879 - 2²⁴ = 635230663 is a prime.

It is a super-2 number, since 2×652007879² = 850228548556157282, which 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 (652007809) 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, 5525432 + ... + 5525549.

It is an arithmetic number, because the mean of its divisors is an integer number (165764730).

Almost surely, 2^652007879 is an apocalyptic number.

652007879 is a deficient number, since it is larger than the sum of its proper divisors (11051041).

652007879 is a wasteful number, since it uses less digits than its factorization.

652007879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051040.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 652007879 is about 25534.4449518684. Note that the first 3 decimals coincide. The cubic root of 652007879 is about 867.1301389036.

The spelling of 652007879 in words is "six hundred fifty-two million, seven thousand, eight hundred seventy-nine".