499774217 has 2 divisors, whose sum is σ = 499774218. Its totient is φ = 499774216.

The previous prime is 499774181. The next prime is 499774237. The reversal of 499774217 is 712477994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393189241 + 106584976 = 19829^2 + 10324^2 .

It is a cyclic number.

It is not a de Polignac number, because 499774217 - 2⁸ = 499773961 is a prime.

It is not a weakly prime, because it can be changed into another prime (499774237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249887108 + 249887109.

It is an arithmetic number, because the mean of its divisors is an integer number (249887109).

Almost surely, 2^499774217 is an apocalyptic number.

It is an amenable number.

499774217 is a deficient number, since it is larger than the sum of its proper divisors (1).

499774217 is an equidigital number, since it uses as much as digits as its factorization.

499774217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 50.

The square root of 499774217 is about 22355.6305435566. The cubic root of 499774217 is about 793.5810386062.

The spelling of 499774217 in words is "four hundred ninety-nine million, seven hundred seventy-four thousand, two hundred seventeen".