5161345 has 32 divisors (see below), whose sum is σ = 7520256. Its totient is φ = 3326400.

The previous prime is 5161339. The next prime is 5161349. The reversal of 5161345 is 5431615.

It is not a de Polignac number, because 5161345 - 2³ = 5161337 is a prime.

It is a Duffinian number.

5161345 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72660 + ... + 72730.

It is an arithmetic number, because the mean of its divisors is an integer number (235008).

Almost surely, 2^5161345 is an apocalyptic number.

It is an amenable number.

5161345 is a deficient number, since it is larger than the sum of its proper divisors (2358911).

5161345 is a wasteful number, since it uses less digits than its factorization.

5161345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its digits is 1800, while the sum is 25.

The square root of 5161345 is about 2271.8593706478. The cubic root of 5161345 is about 172.8174648164.

The spelling of 5161345 in words is "five million, one hundred sixty-one thousand, three hundred forty-five".