504155117 has 2 divisors, whose sum is σ = 504155118. Its totient is φ = 504155116.

The previous prime is 504155087. The next prime is 504155123. The reversal of 504155117 is 711551405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491331556 + 12823561 = 22166^2 + 3581^2 .

It is a cyclic number.

It is not a de Polignac number, because 504155117 - 2¹⁶ = 504089581 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504155117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504155137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252077558 + 252077559.

It is an arithmetic number, because the mean of its divisors is an integer number (252077559).

Almost surely, 2^504155117 is an apocalyptic number.

It is an amenable number.

504155117 is a deficient number, since it is larger than the sum of its proper divisors (1).

504155117 is an equidigital number, since it uses as much as digits as its factorization.

504155117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 504155117 is about 22453.3987850392. The cubic root of 504155117 is about 795.8930759849.

The spelling of 504155117 in words is "five hundred four million, one hundred fifty-five thousand, one hundred seventeen".