499907503 has 2 divisors, whose sum is σ = 499907504. Its totient is φ = 499907502.

The previous prime is 499907459. The next prime is 499907509. The reversal of 499907503 is 305709994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499907503 - 2²¹ = 497810351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499907509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249953751 + 249953752.

It is an arithmetic number, because the mean of its divisors is an integer number (249953752).

Almost surely, 2^499907503 is an apocalyptic number.

499907503 is a deficient number, since it is larger than the sum of its proper divisors (1).

499907503 is an equidigital number, since it uses as much as digits as its factorization.

499907503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 499907503 is about 22358.6113835363. The cubic root of 499907503 is about 793.6515796874.

The spelling of 499907503 in words is "four hundred ninety-nine million, nine hundred seven thousand, five hundred three".