652369279 has 4 divisors (see below), whose sum is σ = 653037984. Its totient is φ = 651700576.

The previous prime is 652369241. The next prime is 652369303. The reversal of 652369279 is 972963256.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652369279 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 (652369219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332887 + ... + 334840.

It is an arithmetic number, because the mean of its divisors is an integer number (163259496).

Almost surely, 2^652369279 is an apocalyptic number.

652369279 is a deficient number, since it is larger than the sum of its proper divisors (668705).

652369279 is an equidigital number, since it uses as much as digits as its factorization.

652369279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668704.

The product of its digits is 1224720, while the sum is 49.

The square root of 652369279 is about 25541.5206869129. The cubic root of 652369279 is about 867.2903225246.

The spelling of 652369279 in words is "six hundred fifty-two million, three hundred sixty-nine thousand, two hundred seventy-nine".