609055401 has 4 divisors (see below), whose sum is σ = 812073872. Its totient is φ = 406036932.

The previous prime is 609055399. The next prime is 609055429. The reversal of 609055401 is 104550906.

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 not a de Polignac number, because 609055401 - 2¹ = 609055399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609055501) 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, 101509231 + ... + 101509236.

It is an arithmetic number, because the mean of its divisors is an integer number (203018468).

Almost surely, 2^609055401 is an apocalyptic number.

It is an amenable number.

609055401 is a deficient number, since it is larger than the sum of its proper divisors (203018471).

609055401 is a wasteful number, since it uses less digits than its factorization.

609055401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203018470.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 609055401 is about 24679.0478138846. The cubic root of 609055401 is about 847.6546190688.

The spelling of 609055401 in words is "six hundred nine million, fifty-five thousand, four hundred one".