5287591 has 4 divisors (see below), whose sum is σ = 5293800. Its totient is φ = 5281384.

The previous prime is 5287589. The next prime is 5287613. The reversal of 5287591 is 1957825.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5287591 - 2¹ = 5287589 is a prime.

It is a Duffinian number.

5287591 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5287591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287501) 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, 1576 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (1323450).

Almost surely, 2^5287591 is an apocalyptic number.

5287591 is a deficient number, since it is larger than the sum of its proper divisors (6209).

5287591 is a wasteful number, since it uses less digits than its factorization.

5287591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208.

The product of its digits is 25200, while the sum is 37.

The square root of 5287591 is about 2299.4762447131. The cubic root of 5287591 is about 174.2151629893.

The spelling of 5287591 in words is "five million, two hundred eighty-seven thousand, five hundred ninety-one".