652018657 has 2 divisors, whose sum is σ = 652018658. Its totient is φ = 652018656.

The previous prime is 652018643. The next prime is 652018669. The reversal of 652018657 is 756810256.

652018657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527115681 + 124902976 = 22959^2 + 11176^2 .

It is a cyclic number.

It is not a de Polignac number, because 652018657 - 2¹⁹ = 651494369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652012657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326009328 + 326009329.

It is an arithmetic number, because the mean of its divisors is an integer number (326009329).

Almost surely, 2^652018657 is an apocalyptic number.

It is an amenable number.

652018657 is a deficient number, since it is larger than the sum of its proper divisors (1).

652018657 is an equidigital number, since it uses as much as digits as its factorization.

652018657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 652018657 is about 25534.6559992493. The cubic root of 652018657 is about 867.1349169017.

The spelling of 652018657 in words is "six hundred fifty-two million, eighteen thousand, six hundred fifty-seven".