509452705 has 8 divisors (see below), whose sum is σ = 615004992. Its totient is φ = 405121008.

The previous prime is 509452687. The next prime is 509452717. The reversal of 509452705 is 507254905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 509452705 - 2⁷ = 509452577 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304227 + ... + 305896.

It is an arithmetic number, because the mean of its divisors is an integer number (76875624).

Almost surely, 2^509452705 is an apocalyptic number.

It is an amenable number.

509452705 is a deficient number, since it is larger than the sum of its proper divisors (105552287).

509452705 is a wasteful number, since it uses less digits than its factorization.

509452705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610295.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 509452705 is about 22571.0590137016. The cubic root of 509452705 is about 798.6710775329.

The spelling of 509452705 in words is "five hundred nine million, four hundred fifty-two thousand, seven hundred five".