616725763 has 2 divisors, whose sum is σ = 616725764. Its totient is φ = 616725762.

The previous prime is 616725713. The next prime is 616725793. The reversal of 616725763 is 367527616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616725763 - 2⁹ = 616725251 is a prime.

It is not a weakly prime, because it can be changed into another prime (616725713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308362881 + 308362882.

It is an arithmetic number, because the mean of its divisors is an integer number (308362882).

Almost surely, 2^616725763 is an apocalyptic number.

616725763 is a deficient number, since it is larger than the sum of its proper divisors (1).

616725763 is an equidigital number, since it uses as much as digits as its factorization.

616725763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 616725763 is about 24833.9639002717. The cubic root of 616725763 is about 851.1982008224.

The spelling of 616725763 in words is "six hundred sixteen million, seven hundred twenty-five thousand, seven hundred sixty-three".