508955231 has 4 divisors (see below), whose sum is σ = 538893792. Its totient is φ = 479016672.

The previous prime is 508955177. The next prime is 508955273. The reversal of 508955231 is 132559805.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 508955231 - 2¹⁴ = 508938847 is a prime.

It is a super-2 number, since 2×508955231² = 518070854324526722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508955281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14969255 + ... + 14969288.

It is an arithmetic number, because the mean of its divisors is an integer number (134723448).

Almost surely, 2^508955231 is an apocalyptic number.

508955231 is a deficient number, since it is larger than the sum of its proper divisors (29938561).

508955231 is a wasteful number, since it uses less digits than its factorization.

508955231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29938560.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 508955231 is about 22560.0361480207. The cubic root of 508955231 is about 798.4110288654.

The spelling of 508955231 in words is "five hundred eight million, nine hundred fifty-five thousand, two hundred thirty-one".