509040075 has 24 divisors (see below), whose sum is σ = 842422768. Its totient is φ = 271226880.

The previous prime is 509040053. The next prime is 509040097. The reversal of 509040075 is 570040905.

It is an interprime number because it is at equal distance from previous prime (509040053) and next prime (509040097).

It is not a de Polignac number, because 509040075 - 2⁶ = 509040011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94659 + ... + 99891.

Almost surely, 2^509040075 is an apocalyptic number.

509040075 is a deficient number, since it is larger than the sum of its proper divisors (333382693).

509040075 is a wasteful number, since it uses less digits than its factorization.

509040075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543 (or 6538 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 509040075 is about 22561.9164744487. The cubic root of 509040075 is about 798.4553920480.

The spelling of 509040075 in words is "five hundred nine million, forty thousand, seventy-five".