5263391 has 4 divisors (see below), whose sum is σ = 6015312. Its totient is φ = 4511472.

The previous prime is 5263337. The next prime is 5263393. The reversal of 5263391 is 1933625.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5263391 - 2⁶ = 5263327 is a prime.

It is a pancake number, because a pancake can be divided into 5263391 parts by 3244 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263393) 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, 375950 + ... + 375963.

It is an arithmetic number, because the mean of its divisors is an integer number (1503828).

Almost surely, 2^5263391 is an apocalyptic number.

5263391 is a deficient number, since it is larger than the sum of its proper divisors (751921).

5263391 is an equidigital number, since it uses as much as digits as its factorization.

5263391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751920.

The product of its digits is 4860, while the sum is 29.

The square root of 5263391 is about 2294.2081422574. The cubic root of 5263391 is about 173.9489765398.

The spelling of 5263391 in words is "five million, two hundred sixty-three thousand, three hundred ninety-one".