499536131 has 2 divisors, whose sum is σ = 499536132. Its totient is φ = 499536130.

The previous prime is 499536127. The next prime is 499536133. The reversal of 499536131 is 131635994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499536131 - 2² = 499536127 is a prime.

It is a super-2 number, since 2×499536131² = 499072692348898322, which contains 22 as substring.

Together with 499536133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499536133) 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, 249768065 + 249768066.

It is an arithmetic number, because the mean of its divisors is an integer number (249768066).

Almost surely, 2^499536131 is an apocalyptic number.

499536131 is a deficient number, since it is larger than the sum of its proper divisors (1).

499536131 is an equidigital number, since it uses as much as digits as its factorization.

499536131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 41.

The square root of 499536131 is about 22350.3049419913. The cubic root of 499536131 is about 793.4550013281.

The spelling of 499536131 in words is "four hundred ninety-nine million, five hundred thirty-six thousand, one hundred thirty-one".