609577 has 4 divisors (see below), whose sum is σ = 641680. Its totient is φ = 577476.

The previous prime is 609571. The next prime is 609589. The reversal of 609577 is 775906.

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, and also an emirpimes, since its reverse is a distinct semiprime: 775906 = 2 ⋅387953.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609577 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609571) 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, 16023 + ... + 16060.

It is an arithmetic number, because the mean of its divisors is an integer number (160420).

2⁶⁰⁹⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

609577 is a deficient number, since it is larger than the sum of its proper divisors (32103).

609577 is a wasteful number, since it uses less digits than its factorization.

609577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32102.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 609577 is about 780.7541226276. The cubic root of 609577 is about 84.7896528997.

The spelling of 609577 in words is "six hundred nine thousand, five hundred seventy-seven".