609550345 has 8 divisors (see below), whose sum is σ = 738171720. Its totient is φ = 483166080.

The previous prime is 609550309. The next prime is 609550387. The reversal of 609550345 is 543055906.

It can be written as a sum of positive squares in 4 ways, for example, as 104919049 + 504631296 = 10243^2 + 22464^2 .

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

It is not a de Polignac number, because 609550345 - 2²⁵ = 575995913 is a prime.

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, 558676 + ... + 559765.

It is an arithmetic number, because the mean of its divisors is an integer number (92271465).

Almost surely, 2^609550345 is an apocalyptic number.

It is an amenable number.

609550345 is a deficient number, since it is larger than the sum of its proper divisors (128621375).

609550345 is a wasteful number, since it uses less digits than its factorization.

609550345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118555.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 609550345 is about 24689.0733928999. The cubic root of 609550345 is about 847.8841701478.

The spelling of 609550345 in words is "six hundred nine million, five hundred fifty thousand, three hundred forty-five".