508879121 has 2 divisors, whose sum is σ = 508879122. Its totient is φ = 508879120.

The previous prime is 508879103. The next prime is 508879123. The reversal of 508879121 is 121978805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409657600 + 99221521 = 20240^2 + 9961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-508879121 is a prime.

It is a Sophie Germain prime.

Together with 508879123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (508879123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254439560 + 254439561.

It is an arithmetic number, because the mean of its divisors is an integer number (254439561).

Almost surely, 2^508879121 is an apocalyptic number.

It is an amenable number.

508879121 is a deficient number, since it is larger than the sum of its proper divisors (1).

508879121 is an equidigital number, since it uses as much as digits as its factorization.

508879121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 508879121 is about 22558.3492525495. The cubic root of 508879121 is about 798.3712283165.

The spelling of 508879121 in words is "five hundred eight million, eight hundred seventy-nine thousand, one hundred twenty-one".