5161217 has 18 divisors (see below), whose sum is σ = 5973318. Its totient is φ = 4443264.

The previous prime is 5161187. The next prime is 5161229. The reversal of 5161217 is 7121615.

5161217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1478656 + 3682561 = 1216^2 + 1919^2 .

It is not a de Polignac number, because 5161217 - 2¹⁶ = 5095681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5161192 and 5161201.

It is not an unprimeable number, because it can be changed into a prime (5161267) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 177959 + ... + 177987.

It is an arithmetic number, because the mean of its divisors is an integer number (331851).

Almost surely, 2^5161217 is an apocalyptic number.

It is an amenable number.

5161217 is a deficient number, since it is larger than the sum of its proper divisors (812101).

5161217 is a wasteful number, since it uses less digits than its factorization.

5161217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 65 counting only the distinct ones).

The product of its digits is 420, while the sum is 23.

The square root of 5161217 is about 2271.8311997153. The cubic root of 5161217 is about 172.8160361954.

The spelling of 5161217 in words is "five million, one hundred sixty-one thousand, two hundred seventeen".