5263591 has 4 divisors (see below), whose sum is σ = 5573232. Its totient is φ = 4953952.

The previous prime is 5263579. The next prime is 5263597. The reversal of 5263591 is 1953625.

5263591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5263591 - 2⁷ = 5263463 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 (5263597) 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, 154795 + ... + 154828.

It is an arithmetic number, because the mean of its divisors is an integer number (1393308).

Almost surely, 2^5263591 is an apocalyptic number.

5263591 is a deficient number, since it is larger than the sum of its proper divisors (309641).

5263591 is a wasteful number, since it uses less digits than its factorization.

5263591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309640.

The product of its digits is 8100, while the sum is 31.

The square root of 5263591 is about 2294.2517298675. The cubic root of 5263591 is about 173.9511797681.

The spelling of 5263591 in words is "five million, two hundred sixty-three thousand, five hundred ninety-one".