5243391 has 12 divisors (see below), whose sum is σ = 7593768. Its totient is φ = 3486384.

The previous prime is 5243387. The next prime is 5243393. The reversal of 5243391 is 1933425.

It is not a de Polignac number, because 5243391 - 2² = 5243387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243393) 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 11 ways as a sum of consecutive naturals, for example, 5721 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (632814).

Almost surely, 2^5243391 is an apocalyptic number.

5243391 is a deficient number, since it is larger than the sum of its proper divisors (2350377).

5243391 is a wasteful number, since it uses less digits than its factorization.

5243391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1539 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 5243391 is about 2289.8451912739. The cubic root of 5243391 is about 173.7283712704.

The spelling of 5243391 in words is "five million, two hundred forty-three thousand, three hundred ninety-one".