5161923 has 12 divisors (see below), whose sum is σ = 8029840. Its totient is φ = 3176496.

The previous prime is 5161921. The next prime is 5161927. The reversal of 5161923 is 3291615.

It is not a de Polignac number, because 5161923 - 2¹ = 5161921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5161921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21943 + ... + 22176.

Almost surely, 2^5161923 is an apocalyptic number.

5161923 is a deficient number, since it is larger than the sum of its proper divisors (2867917).

5161923 is a wasteful number, since it uses less digits than its factorization.

5161923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44138 (or 44135 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 5161923 is about 2271.9865756646. The cubic root of 5161923 is about 172.8239156392.

It can be divided in two parts, 5161 and 923, that added together give a square (6084 = 78²).

The spelling of 5161923 in words is "five million, one hundred sixty-one thousand, nine hundred twenty-three".