653852791 has 2 divisors, whose sum is σ = 653852792. Its totient is φ = 653852790.

The previous prime is 653852779. The next prime is 653852807. The reversal of 653852791 is 197258356.

653852791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653852791 - 2⁷ = 653852663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653852191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326926395 + 326926396.

It is an arithmetic number, because the mean of its divisors is an integer number (326926396).

Almost surely, 2^653852791 is an apocalyptic number.

653852791 is a deficient number, since it is larger than the sum of its proper divisors (1).

653852791 is an equidigital number, since it uses as much as digits as its factorization.

653852791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 46.

The square root of 653852791 is about 25570.5453794009. The cubic root of 653852791 is about 867.9472416382.

The spelling of 653852791 in words is "six hundred fifty-three million, eight hundred fifty-two thousand, seven hundred ninety-one".