499500961 has 2 divisors, whose sum is σ = 499500962. Its totient is φ = 499500960.

The previous prime is 499500929. The next prime is 499500971. The reversal of 499500961 is 169005994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452838400 + 46662561 = 21280^2 + 6831^2 .

It is a cyclic number.

It is not a de Polignac number, because 499500961 - 2⁵ = 499500929 is a prime.

It is not a weakly prime, because it can be changed into another prime (499500971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249750480 + 249750481.

It is an arithmetic number, because the mean of its divisors is an integer number (249750481).

Almost surely, 2^499500961 is an apocalyptic number.

It is an amenable number.

499500961 is a deficient number, since it is larger than the sum of its proper divisors (1).

499500961 is an equidigital number, since it uses as much as digits as its factorization.

499500961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 499500961 is about 22349.5181379823. The cubic root of 499500961 is about 793.4363797406.

The spelling of 499500961 in words is "four hundred ninety-nine million, five hundred thousand, nine hundred sixty-one".