500136803 has 2 divisors, whose sum is σ = 500136804. Its totient is φ = 500136802.

The previous prime is 500136781. The next prime is 500136859. The reversal of 500136803 is 308631005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500136803 - 2²⁶ = 433027939 is a prime.

It is not a weakly prime, because it can be changed into another prime (500136883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250068401 + 250068402.

It is an arithmetic number, because the mean of its divisors is an integer number (250068402).

Almost surely, 2^500136803 is an apocalyptic number.

500136803 is a deficient number, since it is larger than the sum of its proper divisors (1).

500136803 is an equidigital number, since it uses as much as digits as its factorization.

500136803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 500136803 is about 22363.7385738610. The cubic root of 500136803 is about 793.7729064586.

Adding to 500136803 its reverse (308631005), we get a palindrome (808767808).

The spelling of 500136803 in words is "five hundred million, one hundred thirty-six thousand, eight hundred three".