509324473 has 8 divisors (see below), whose sum is σ = 593964800. Its totient is φ = 436563540.

The previous prime is 509324461. The next prime is 509324479. The reversal of 509324473 is 374423905.

It is not a de Polignac number, because 509324473 - 2¹³ = 509316281 is a prime.

It is a super-2 number, since 2×509324473² = 518822837593455458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509324479) 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, 742113 + ... + 742798.

It is an arithmetic number, because the mean of its divisors is an integer number (74245600).

Almost surely, 2^509324473 is an apocalyptic number.

It is an amenable number.

509324473 is a deficient number, since it is larger than the sum of its proper divisors (84640327).

509324473 is an equidigital number, since it uses as much as digits as its factorization.

509324473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484932 (or 1484918 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 509324473 is about 22568.2182061411. The cubic root of 509324473 is about 798.6040619672.

The spelling of 509324473 in words is "five hundred nine million, three hundred twenty-four thousand, four hundred seventy-three".