509230837 has 8 divisors (see below), whose sum is σ = 546147360. Its totient is φ = 473325840.

The previous prime is 509230823. The next prime is 509230849. The reversal of 509230837 is 738032905.

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 509230837 - 2²⁷ = 375013109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 509230796 and 509230805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509230817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251839 + ... + 253852.

It is an arithmetic number, because the mean of its divisors is an integer number (68268420).

Almost surely, 2^509230837 is an apocalyptic number.

It is an amenable number.

509230837 is a deficient number, since it is larger than the sum of its proper divisors (36916523).

509230837 is a wasteful number, since it uses less digits than its factorization.

509230837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505763.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 509230837 is about 22566.1436005357. The cubic root of 509230837 is about 798.5551195759. Note that the first 3 decimals are identical.

The spelling of 509230837 in words is "five hundred nine million, two hundred thirty thousand, eight hundred thirty-seven".