5161444 has 12 divisors (see below), whose sum is σ = 9072000. Its totient is φ = 2569448.

The previous prime is 5161439. The next prime is 5161451. The reversal of 5161444 is 4441615.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744 + ... + 3655.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 2^5161444 is an apocalyptic number.

It is an amenable number.

5161444 is a deficient number, since it is larger than the sum of its proper divisors (3910556).

5161444 is a wasteful number, since it uses less digits than its factorization.

5161444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5642 (or 5640 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 5161444 is about 2271.8811588637. The cubic root of 5161444 is about 172.8185697493.

The spelling of 5161444 in words is "five million, one hundred sixty-one thousand, four hundred forty-four".