499946131 has 2 divisors, whose sum is σ = 499946132. Its totient is φ = 499946130.

The previous prime is 499946113. The next prime is 499946189. The reversal of 499946131 is 131649994.

Together with previous prime (499946113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499946131 - 2⁵ = 499946099 is a prime.

It is a super-2 number, since 2×499946131² = 499892267803738322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499946231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249973065 + 249973066.

It is an arithmetic number, because the mean of its divisors is an integer number (249973066).

Almost surely, 2^499946131 is an apocalyptic number.

499946131 is a deficient number, since it is larger than the sum of its proper divisors (1).

499946131 is an equidigital number, since it uses as much as digits as its factorization.

499946131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 499946131 is about 22359.4751950935. The cubic root of 499946131 is about 793.6720210580.

The spelling of 499946131 in words is "four hundred ninety-nine million, nine hundred forty-six thousand, one hundred thirty-one".