508489 has 2 divisors, whose sum is σ = 508490. Its totient is φ = 508488.

The previous prime is 508477. The next prime is 508499. The reversal of 508489 is 984805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501264 + 7225 = 708^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 508489 - 2¹⁵ = 475721 is a prime.

It is a super-2 number, since 2×508489² = 517122126242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (508439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254244 + 254245.

It is an arithmetic number, because the mean of its divisors is an integer number (254245).

2⁵⁰⁸⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

508489 is a deficient number, since it is larger than the sum of its proper divisors (1).

508489 is an equidigital number, since it uses as much as digits as its factorization.

508489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 508489 is about 713.0841465073. The cubic root of 508489 is about 79.8167158237.

The spelling of 508489 in words is "five hundred eight thousand, four hundred eighty-nine".