5138243 has 8 divisors (see below), whose sum is σ = 5742576. Its totient is φ = 4556800.

The previous prime is 5138207. The next prime is 5138257. The reversal of 5138243 is 3428315.

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

It is a cyclic number.

It is not a de Polignac number, because 5138243 - 2⁶ = 5138179 is a prime.

It is a super-2 number, since 2×5138243² = 52803082254098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5138443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5246 + ... + 6147.

It is an arithmetic number, because the mean of its divisors is an integer number (717822).

Almost surely, 2^5138243 is an apocalyptic number.

5138243 is a deficient number, since it is larger than the sum of its proper divisors (604333).

5138243 is a wasteful number, since it uses less digits than its factorization.

5138243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11445.

The product of its digits is 2880, while the sum is 26.

The square root of 5138243 is about 2266.7692868927. The cubic root of 5138243 is about 172.5592375142.

The spelling of 5138243 in words is "five million, one hundred thirty-eight thousand, two hundred forty-three".