509527842 has 32 divisors (see below), whose sum is σ = 1113813504. Its totient is φ = 154694400.

The previous prime is 509527819. The next prime is 509527867. The reversal of 509527842 is 248725905.

It is a junction number, because it is equal to n+sod(n) for n = 509527794 and 509527803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77409 + ... + 83732.

It is an arithmetic number, because the mean of its divisors is an integer number (34806672).

Almost surely, 2^509527842 is an apocalyptic number.

509527842 is an abundant number, since it is smaller than the sum of its proper divisors (604285662).

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

509527842 is a wasteful number, since it uses less digits than its factorization.

509527842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161194.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 509527842 is about 22572.7234068023. The cubic root of 509527842 is about 798.7103397962.

The spelling of 509527842 in words is "five hundred nine million, five hundred twenty-seven thousand, eight hundred forty-two".