609143061 has 4 divisors (see below), whose sum is σ = 812190752. Its totient is φ = 406095372.

The previous prime is 609143053. The next prime is 609143131. The reversal of 609143061 is 160341906.

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 609143061 - 2³ = 609143053 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 (609143761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101523841 + ... + 101523846.

It is an arithmetic number, because the mean of its divisors is an integer number (203047688).

Almost surely, 2^609143061 is an apocalyptic number.

It is an amenable number.

609143061 is a deficient number, since it is larger than the sum of its proper divisors (203047691).

609143061 is a wasteful number, since it uses less digits than its factorization.

609143061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203047690.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 609143061 is about 24680.8237504343. The cubic root of 609143061 is about 847.6952841376.

Adding to 609143061 its reverse (160341906), we get a palindrome (769484967).

The spelling of 609143061 in words is "six hundred nine million, one hundred forty-three thousand, sixty-one".