5125831 has 4 divisors (see below), whose sum is σ = 5187672. Its totient is φ = 5063992.

The previous prime is 5125811. The next prime is 5125843. The reversal of 5125831 is 1385215.

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 5125831 - 2⁹ = 5125319 is a prime.

It is a super-2 number, since 2×5125831² = 52548286881122, which contains 22 as substring.

It is a Duffinian number.

5125831 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5125796 and 5125805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30796 + ... + 30961.

It is an arithmetic number, because the mean of its divisors is an integer number (1296918).

Almost surely, 2^5125831 is an apocalyptic number.

5125831 is a deficient number, since it is larger than the sum of its proper divisors (61841).

5125831 is an equidigital number, since it uses as much as digits as its factorization.

5125831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61840.

The product of its digits is 1200, while the sum is 25.

The square root of 5125831 is about 2264.0298142913. The cubic root of 5125831 is about 172.4201801124.

The spelling of 5125831 in words is "five million, one hundred twenty-five thousand, eight hundred thirty-one".