609835513 has 4 divisors (see below), whose sum is σ = 696954880. Its totient is φ = 522716148.

The previous prime is 609835511. The next prime is 609835529. The reversal of 609835513 is 315538906.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 609835513 - 2¹ = 609835511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609835511) 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, 43559673 + ... + 43559686.

It is an arithmetic number, because the mean of its divisors is an integer number (174238720).

Almost surely, 2^609835513 is an apocalyptic number.

It is an amenable number.

609835513 is a deficient number, since it is larger than the sum of its proper divisors (87119367).

609835513 is an equidigital number, since it uses as much as digits as its factorization.

609835513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87119366.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 609835513 is about 24694.8479039657. The cubic root of 609835513 is about 848.0163723736.

The spelling of 609835513 in words is "six hundred nine million, eight hundred thirty-five thousand, five hundred thirteen".