503113999 has 2 divisors, whose sum is σ = 503114000. Its totient is φ = 503113998.

The previous prime is 503113987. The next prime is 503114039. The reversal of 503113999 is 999311305.

It is an a-pointer prime, because the next prime (503114039) can be obtained adding 503113999 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503113999 - 2⁵ = 503113967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503113979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251556999 + 251557000.

It is an arithmetic number, because the mean of its divisors is an integer number (251557000).

Almost surely, 2^503113999 is an apocalyptic number.

503113999 is a deficient number, since it is larger than the sum of its proper divisors (1).

503113999 is an equidigital number, since it uses as much as digits as its factorization.

503113999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32805, while the sum is 40.

The square root of 503113999 is about 22430.2028301128. The cubic root of 503113999 is about 795.3448388642.

The spelling of 503113999 in words is "five hundred three million, one hundred thirteen thousand, nine hundred ninety-nine".