5123931 has 4 divisors (see below), whose sum is σ = 6831912. Its totient is φ = 3415952.

The previous prime is 5123927. The next prime is 5123933. The reversal of 5123931 is 1393215.

It is a happy number.

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 5123931 - 2² = 5123927 is a prime.

It is a super-2 number, since 2×5123931² = 52509337785522, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5123933) 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, 853986 + ... + 853991.

It is an arithmetic number, because the mean of its divisors is an integer number (1707978).

Almost surely, 2^5123931 is an apocalyptic number.

5123931 is a deficient number, since it is larger than the sum of its proper divisors (1707981).

5123931 is a wasteful number, since it uses less digits than its factorization.

5123931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707980.

The product of its digits is 810, while the sum is 24.

The square root of 5123931 is about 2263.6101696184. The cubic root of 5123931 is about 172.3988737247.

The spelling of 5123931 in words is "five million, one hundred twenty-three thousand, nine hundred thirty-one".