5378243 has 4 divisors (see below), whose sum is σ = 5791968. Its totient is φ = 4964520.

The previous prime is 5378237. The next prime is 5378267. The reversal of 5378243 is 3428735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3428735 = 5 ⋅685747.

It is a cyclic number.

It is not a de Polignac number, because 5378243 - 2⁴ = 5378227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5378203) 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, 206843 + ... + 206868.

It is an arithmetic number, because the mean of its divisors is an integer number (1447992).

Almost surely, 2^5378243 is an apocalyptic number.

5378243 is a deficient number, since it is larger than the sum of its proper divisors (413725).

5378243 is a wasteful number, since it uses less digits than its factorization.

5378243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413724.

The product of its digits is 20160, while the sum is 32.

The square root of 5378243 is about 2319.1039217767. The cubic root of 5378243 is about 175.2051254556.

The spelling of 5378243 in words is "five million, three hundred seventy-eight thousand, two hundred forty-three".