499081031 has 2 divisors, whose sum is σ = 499081032. Its totient is φ = 499081030.

The previous prime is 499081021. The next prime is 499081067. The reversal of 499081031 is 130180994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499081031 - 2¹⁰ = 499080007 is a prime.

It is a super-2 number, since 2×499081031² = 498163751008045922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 499080982 and 499081000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499081001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249540515 + 249540516.

It is an arithmetic number, because the mean of its divisors is an integer number (249540516).

Almost surely, 2^499081031 is an apocalyptic number.

499081031 is a deficient number, since it is larger than the sum of its proper divisors (1).

499081031 is an equidigital number, since it uses as much as digits as its factorization.

499081031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 499081031 is about 22340.1215529370. The cubic root of 499081031 is about 793.2139703234.

The spelling of 499081031 in words is "four hundred ninety-nine million, eighty-one thousand, thirty-one".