5161223 has 4 divisors (see below), whose sum is σ = 5385648. Its totient is φ = 4936800.

The previous prime is 5161187. The next prime is 5161229. The reversal of 5161223 is 3221615.

5161223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5161223 - 2¹⁸ = 4899079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5161195 and 5161204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112178 + ... + 112223.

It is an arithmetic number, because the mean of its divisors is an integer number (1346412).

Almost surely, 2^5161223 is an apocalyptic number.

5161223 is a deficient number, since it is larger than the sum of its proper divisors (224425).

5161223 is a wasteful number, since it uses less digits than its factorization.

5161223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224424.

The product of its digits is 360, while the sum is 20.

The square root of 5161223 is about 2271.8325202356. The cubic root of 5161223 is about 172.8161031625.

Adding to 5161223 its reverse (3221615), we get a palindrome (8382838).

The spelling of 5161223 in words is "five million, one hundred sixty-one thousand, two hundred twenty-three".