652665193 has 2 divisors, whose sum is σ = 652665194. Its totient is φ = 652665192.

The previous prime is 652665151. The next prime is 652665197. The reversal of 652665193 is 391566256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341954064 + 310711129 = 18492^2 + 17627^2 .

It is a cyclic number.

It is not a de Polignac number, because 652665193 - 2²⁹ = 115794281 is a prime.

It is not a weakly prime, because it can be changed into another prime (652665197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326332596 + 326332597.

It is an arithmetic number, because the mean of its divisors is an integer number (326332597).

Almost surely, 2^652665193 is an apocalyptic number.

It is an amenable number.

652665193 is a deficient number, since it is larger than the sum of its proper divisors (1).

652665193 is an equidigital number, since it uses as much as digits as its factorization.

652665193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 43.

The square root of 652665193 is about 25547.3128332512. The cubic root of 652665193 is about 867.4214366866.

The spelling of 652665193 in words is "six hundred fifty-two million, six hundred sixty-five thousand, one hundred ninety-three".