509075430 has 16 divisors (see below), whose sum is σ = 1221781104. Its totient is φ = 135753440.

The previous prime is 509075419. The next prime is 509075431. The reversal of 509075430 is 34570905.

It is a junction number, because it is equal to n+sod(n) for n = 509075391 and 509075400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509075431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8484561 + ... + 8484620.

It is an arithmetic number, because the mean of its divisors is an integer number (76361319).

Almost surely, 2^509075430 is an apocalyptic number.

509075430 is an abundant number, since it is smaller than the sum of its proper divisors (712705674).

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

509075430 is a wasteful number, since it uses less digits than its factorization.

509075430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16969191.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 509075430 is about 22562.6999714130. The cubic root of 509075430 is about 798.4738769953.

The spelling of 509075430 in words is "five hundred nine million, seventy-five thousand, four hundred thirty".