502506923 has 2 divisors, whose sum is σ = 502506924. Its totient is φ = 502506922.

The previous prime is 502506919. The next prime is 502506941. The reversal of 502506923 is 329605205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502506923 - 2² = 502506919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 502506923.

It is not a weakly prime, because it can be changed into another prime (502503923) 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, 251253461 + 251253462.

It is an arithmetic number, because the mean of its divisors is an integer number (251253462).

Almost surely, 2^502506923 is an apocalyptic number.

502506923 is a deficient number, since it is larger than the sum of its proper divisors (1).

502506923 is an equidigital number, since it uses as much as digits as its factorization.

502506923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 502506923 is about 22416.6661883519. Note that the first 3 decimals coincide. The cubic root of 502506923 is about 795.0248125900.

The spelling of 502506923 in words is "five hundred two million, five hundred six thousand, nine hundred twenty-three".