509573085 has 16 divisors (see below), whose sum is σ = 931790976. Its totient is φ = 232947648.

The previous prime is 509573081. The next prime is 509573093. The reversal of 509573085 is 580375905.

It is not a de Polignac number, because 509573085 - 2² = 509573081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509573081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426434 + ... + 2426643.

It is an arithmetic number, because the mean of its divisors is an integer number (58236936).

Almost surely, 2^509573085 is an apocalyptic number.

It is an amenable number.

509573085 is a deficient number, since it is larger than the sum of its proper divisors (422217891).

509573085 is a wasteful number, since it uses less digits than its factorization.

509573085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853092.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 509573085 is about 22573.7255454212. The cubic root of 509573085 is about 798.7339793172.

The spelling of 509573085 in words is "five hundred nine million, five hundred seventy-three thousand, eighty-five".