508901 has 2 divisors, whose sum is σ = 508902. Its totient is φ = 508900.

The previous prime is 508867. The next prime is 508903. The reversal of 508901 is 109805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 160801 = 590^2 + 401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-508901 is a prime.

Together with 508903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508903) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254450 + 254451.

It is an arithmetic number, because the mean of its divisors is an integer number (254451).

2⁵⁰⁸⁹⁰¹ is an apocalyptic number.

It is an amenable number.

508901 is a deficient number, since it is larger than the sum of its proper divisors (1).

508901 is an equidigital number, since it uses as much as digits as its factorization.

508901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 508901 is about 713.3729739764. The cubic root of 508901 is about 79.8382670008.

The spelling of 508901 in words is "five hundred eight thousand, nine hundred one".