5127931 has 4 divisors (see below), whose sum is σ = 5429592. Its totient is φ = 4826272.

The previous prime is 5127917. The next prime is 5127943. The reversal of 5127931 is 1397215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1397215 = 5 ⋅279443.

It is a cyclic number.

It is not a de Polignac number, because 5127931 - 2¹⁵ = 5095163 is a prime.

It is a super-2 number, since 2×5127931² = 52591352681522, which contains 22 as substring.

It is a Duffinian number.

5127931 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5127931.

It is not an unprimeable number, because it can be changed into a prime (5127901) 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, 150805 + ... + 150838.

It is an arithmetic number, because the mean of its divisors is an integer number (1357398).

Almost surely, 2^5127931 is an apocalyptic number.

5127931 is a deficient number, since it is larger than the sum of its proper divisors (301661).

5127931 is a wasteful number, since it uses less digits than its factorization.

5127931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301660.

The product of its digits is 1890, while the sum is 28.

The square root of 5127931 is about 2264.4935416115. The cubic root of 5127931 is about 172.4437231530.

The spelling of 5127931 in words is "five million, one hundred twenty-seven thousand, nine hundred thirty-one".