5161939 has 12 divisors (see below), whose sum is σ = 5547360. Its totient is φ = 4801680.

The previous prime is 5161927. The next prime is 5161943. The reversal of 5161939 is 9391615.

5161939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5161939 - 2⁷ = 5161811 is a prime.

It is a super-2 number, since 2×5161939² = 53291228479442, which contains 22 as substring.

It is a Duffinian number.

5161939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5161909) 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 11 ways as a sum of consecutive naturals, for example, 28429 + ... + 28609.

It is an arithmetic number, because the mean of its divisors is an integer number (462280).

Almost surely, 2^5161939 is an apocalyptic number.

5161939 is a deficient number, since it is larger than the sum of its proper divisors (385421).

5161939 is a wasteful number, since it uses less digits than its factorization.

5161939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 279 counting only the distinct ones).

The product of its digits is 7290, while the sum is 34.

The square root of 5161939 is about 2271.9900968094. The cubic root of 5161939 is about 172.8240942019.

The spelling of 5161939 in words is "five million, one hundred sixty-one thousand, nine hundred thirty-nine".