652047839 has 2 divisors, whose sum is σ = 652047840. Its totient is φ = 652047838.

The previous prime is 652047827. The next prime is 652047853. The reversal of 652047839 is 938740256.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652047839 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 652047839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652047859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326023919 + 326023920.

It is an arithmetic number, because the mean of its divisors is an integer number (326023920).

Almost surely, 2^652047839 is an apocalyptic number.

652047839 is a deficient number, since it is larger than the sum of its proper divisors (1).

652047839 is an equidigital number, since it uses as much as digits as its factorization.

652047839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 652047839 is about 25535.2274123416. The cubic root of 652047839 is about 867.1478533176.

The spelling of 652047839 in words is "six hundred fifty-two million, forty-seven thousand, eight hundred thirty-nine".