509552605 has 8 divisors (see below), whose sum is σ = 611868672. Its totient is φ = 407371728.

The previous prime is 509552599. The next prime is 509552609. The reversal of 509552605 is 506255905.

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 509552605 - 2¹⁷ = 509421533 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 (509552609) 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, 25309 + ... + 40738.

It is an arithmetic number, because the mean of its divisors is an integer number (76483584).

Almost surely, 2^509552605 is an apocalyptic number.

It is an amenable number.

509552605 is a deficient number, since it is larger than the sum of its proper divisors (102316067).

509552605 is a wasteful number, since it uses less digits than its factorization.

509552605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67595.

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 509552605 is about 22573.2719161401. The cubic root of 509552605 is about 798.7232786664.

The spelling of 509552605 in words is "five hundred nine million, five hundred fifty-two thousand, six hundred five".