509674607 has 4 divisors (see below), whose sum is σ = 548880360. Its totient is φ = 470468856.

The previous prime is 509674589. The next prime is 509674663. The reversal of 509674607 is 706476905.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 509674607 - 2¹⁶ = 509609071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509673607) 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, 19602857 + ... + 19602882.

It is an arithmetic number, because the mean of its divisors is an integer number (137220090).

Almost surely, 2^509674607 is an apocalyptic number.

509674607 is a deficient number, since it is larger than the sum of its proper divisors (39205753).

509674607 is a wasteful number, since it uses less digits than its factorization.

509674607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39205752.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 509674607 is about 22575.9741096591. The cubic root of 509674607 is about 798.7870195902.

The spelling of 509674607 in words is "five hundred nine million, six hundred seventy-four thousand, six hundred seven".