5200391 has 4 divisors (see below), whose sum is σ = 5943312. Its totient is φ = 4457472.

The previous prime is 5200379. The next prime is 5200397. The reversal of 5200391 is 1930025.

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 5200391 - 2¹⁴ = 5184007 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5200397) 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, 371450 + ... + 371463.

It is an arithmetic number, because the mean of its divisors is an integer number (1485828).

Almost surely, 2^5200391 is an apocalyptic number.

5200391 is a deficient number, since it is larger than the sum of its proper divisors (742921).

5200391 is an equidigital number, since it uses as much as digits as its factorization.

5200391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742920.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 5200391 is about 2280.4365810081. The cubic root of 5200391 is about 173.2521632605.

The spelling of 5200391 in words is "five million, two hundred thousand, three hundred ninety-one".