499976531 has 2 divisors, whose sum is σ = 499976532. Its totient is φ = 499976530.

The previous prime is 499976513. The next prime is 499976549. The reversal of 499976531 is 135679994.

It is a happy number.

Together with previous prime (499976513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (499976513) and next prime (499976549).

It is a cyclic number.

It is not a de Polignac number, because 499976531 - 2¹⁴ = 499960147 is a prime.

It is a super-2 number, since 2×499976531² = 499953063101587922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (499976551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249988265 + 249988266.

It is an arithmetic number, because the mean of its divisors is an integer number (249988266).

Almost surely, 2^499976531 is an apocalyptic number.

499976531 is a deficient number, since it is larger than the sum of its proper divisors (1).

499976531 is an equidigital number, since it uses as much as digits as its factorization.

499976531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 53.

The square root of 499976531 is about 22360.1549860460. The cubic root of 499976531 is about 793.6881075514.

The spelling of 499976531 in words is "four hundred ninety-nine million, nine hundred seventy-six thousand, five hundred thirty-one".