5812391 has 4 divisors (see below), whose sum is σ = 6259512. Its totient is φ = 5365272.

The previous prime is 5812379. The next prime is 5812397. The reversal of 5812391 is 1932185.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1932185 = 5 ⋅386437.

It is a cyclic number.

It is not a de Polignac number, because 5812391 - 2⁶ = 5812327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5812397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223541 + ... + 223566.

It is an arithmetic number, because the mean of its divisors is an integer number (1564878).

Almost surely, 2^5812391 is an apocalyptic number.

5812391 is a deficient number, since it is larger than the sum of its proper divisors (447121).

5812391 is a wasteful number, since it uses less digits than its factorization.

5812391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447120.

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

The square root of 5812391 is about 2410.8900845953. The cubic root of 5812391 is about 179.7980347908.

The spelling of 5812391 in words is "five million, eight hundred twelve thousand, three hundred ninety-one".