5131838 has 8 divisors (see below), whose sum is σ = 7712832. Its totient is φ = 2560896.

The previous prime is 5131823. The next prime is 5131849. The reversal of 5131838 is 8381315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5131838² = 52671522516488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5131838.

It is a congruent number.

It is an unprimeable number.

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, 1070 + ... + 3377.

It is an arithmetic number, because the mean of its divisors is an integer number (964104).

Almost surely, 2^5131838 is an apocalyptic number.

5131838 is a deficient number, since it is larger than the sum of its proper divisors (2580994).

5131838 is a wasteful number, since it uses less digits than its factorization.

5131838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026.

The product of its digits is 2880, while the sum is 29.

The square root of 5131838 is about 2265.3560426564. The cubic root of 5131838 is about 172.4875073218.

It can be divided in two parts, 5131 and 838, that multiplied together give a triangular number (4299778 = T₂₉₃₂).

The spelling of 5131838 in words is "five million, one hundred thirty-one thousand, eight hundred thirty-eight".