5129831 has 4 divisors (see below), whose sum is σ = 5862672. Its totient is φ = 4396992.

The previous prime is 5129827. The next prime is 5129833. The reversal of 5129831 is 1389215.

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 5129831 - 2² = 5129827 is a prime.

It is a super-2 number, since 2×5129831² = 52630332177122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5129794 and 5129803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5129833) 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, 366410 + ... + 366423.

It is an arithmetic number, because the mean of its divisors is an integer number (1465668).

Almost surely, 2^5129831 is an apocalyptic number.

5129831 is a deficient number, since it is larger than the sum of its proper divisors (732841).

5129831 is an equidigital number, since it uses as much as digits as its factorization.

5129831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732840.

The product of its digits is 2160, while the sum is 29.

The square root of 5129831 is about 2264.9130226126. The cubic root of 5129831 is about 172.4650184614.

The spelling of 5129831 in words is "five million, one hundred twenty-nine thousand, eight hundred thirty-one".