508913 has 2 divisors, whose sum is σ = 508914. Its totient is φ = 508912.

The previous prime is 508909. The next prime is 508919. The reversal of 508913 is 319805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485809 + 23104 = 697^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 508913 - 2² = 508909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (508919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254456 + 254457.

It is an arithmetic number, because the mean of its divisors is an integer number (254457).

2⁵⁰⁸⁹¹³ is an apocalyptic number.

It is an amenable number.

508913 is a deficient number, since it is larger than the sum of its proper divisors (1).

508913 is an equidigital number, since it uses as much as digits as its factorization.

508913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 508913 is about 713.3813846744. The cubic root of 508913 is about 79.8388945306.

The spelling of 508913 in words is "five hundred eight thousand, nine hundred thirteen".