616475791 has 2 divisors, whose sum is σ = 616475792. Its totient is φ = 616475790.

The previous prime is 616475779. The next prime is 616475803. The reversal of 616475791 is 197574616.

It is a balanced prime because it is at equal distance from previous prime (616475779) and next prime (616475803).

It is a cyclic number.

It is not a de Polignac number, because 616475791 - 2¹¹ = 616473743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616475711) 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, 308237895 + 308237896.

It is an arithmetic number, because the mean of its divisors is an integer number (308237896).

Almost surely, 2^616475791 is an apocalyptic number.

616475791 is a deficient number, since it is larger than the sum of its proper divisors (1).

616475791 is an equidigital number, since it uses as much as digits as its factorization.

616475791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 46.

The square root of 616475791 is about 24828.9305246924. The cubic root of 616475791 is about 851.0831824012.

The spelling of 616475791 in words is "six hundred sixteen million, four hundred seventy-five thousand, seven hundred ninety-one".