499755617 has 2 divisors, whose sum is σ = 499755618. Its totient is φ = 499755616.

The previous prime is 499755593. The next prime is 499755623. The reversal of 499755617 is 716557994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262472401 + 237283216 = 16201^2 + 15404^2 .

It is a cyclic number.

It is not a de Polignac number, because 499755617 - 2²⁸ = 231320161 is a prime.

It is not a weakly prime, because it can be changed into another prime (499755677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249877808 + 249877809.

It is an arithmetic number, because the mean of its divisors is an integer number (249877809).

Almost surely, 2^499755617 is an apocalyptic number.

It is an amenable number.

499755617 is a deficient number, since it is larger than the sum of its proper divisors (1).

499755617 is an equidigital number, since it uses as much as digits as its factorization.

499755617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2381400, while the sum is 53.

The square root of 499755617 is about 22355.2145371052. The cubic root of 499755617 is about 793.5711936336.

The spelling of 499755617 in words is "four hundred ninety-nine million, seven hundred fifty-five thousand, six hundred seventeen".