509375064 has 32 divisors (see below), whose sum is σ = 1389205440. Its totient is φ = 154356000.

The previous prime is 509375011. The next prime is 509375077. The reversal of 509375064 is 460573905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964462 + ... + 964989.

It is an arithmetic number, because the mean of its divisors is an integer number (43412670).

Almost surely, 2^509375064 is an apocalyptic number.

It is an amenable number.

509375064 is an abundant number, since it is smaller than the sum of its proper divisors (879830376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509375064 is a wasteful number, since it uses less digits than its factorization.

509375064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929471 (or 1929467 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 509375064 is about 22569.3390244376. The cubic root of 509375064 is about 798.6305027678.

It can be divided in two parts, 509 and 375064, that added together give a palindrome (375573).

The spelling of 509375064 in words is "five hundred nine million, three hundred seventy-five thousand, sixty-four".