509354232 has 16 divisors (see below), whose sum is σ = 1273385640. Its totient is φ = 169784736.

The previous prime is 509354207. The next prime is 509354233. The reversal of 509354232 is 232453905.

It is a junction number, because it is equal to n+sod(n) for n = 509354193 and 509354202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509354233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10611523 + ... + 10611570.

Almost surely, 2^509354232 is an apocalyptic number.

It is an amenable number.

509354232 is an abundant number, since it is smaller than the sum of its proper divisors (764031408).

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

509354232 is a wasteful number, since it uses less digits than its factorization.

509354232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21223102 (or 21223098 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 509354232 is about 22568.8775086401. The cubic root of 509354232 is about 798.6196153761.

The spelling of 509354232 in words is "five hundred nine million, three hundred fifty-four thousand, two hundred thirty-two".