652731923 has 2 divisors, whose sum is σ = 652731924. Its totient is φ = 652731922.

The previous prime is 652731901. The next prime is 652731943. The reversal of 652731923 is 329137256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652731923 - 2¹² = 652727827 is a prime.

It is not a weakly prime, because it can be changed into another prime (652731943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326365961 + 326365962.

It is an arithmetic number, because the mean of its divisors is an integer number (326365962).

Almost surely, 2^652731923 is an apocalyptic number.

652731923 is a deficient number, since it is larger than the sum of its proper divisors (1).

652731923 is an equidigital number, since it uses as much as digits as its factorization.

652731923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 38.

The square root of 652731923 is about 25548.6188080687. The cubic root of 652731923 is about 867.4509980709.

The spelling of 652731923 in words is "six hundred fifty-two million, seven hundred thirty-one thousand, nine hundred twenty-three".