509860231 has 8 divisors (see below), whose sum is σ = 539423280. Its totient is φ = 480570048.

The previous prime is 509860187. The next prime is 509860261. The reversal of 509860231 is 132068905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 509860231 - 2⁷ = 509860103 is a prime.

It is a super-2 number, since 2×509860231² = 519914910310746722, 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 (509860261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64366 + ... + 71851.

It is an arithmetic number, because the mean of its divisors is an integer number (67427910).

Almost surely, 2^509860231 is an apocalyptic number.

509860231 is a deficient number, since it is larger than the sum of its proper divisors (29563049).

509860231 is a wasteful number, since it uses less digits than its factorization.

509860231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136433.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 509860231 is about 22580.0848315501. The cubic root of 509860231 is about 798.8839808296.

The spelling of 509860231 in words is "five hundred nine million, eight hundred sixty thousand, two hundred thirty-one".