5726591 has 4 divisors (see below), whose sum is σ = 6167112. Its totient is φ = 5286072.

The previous prime is 5726587. The next prime is 5726627. The reversal of 5726591 is 1956275.

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 5726591 - 2² = 5726587 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 (5726521) 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, 220241 + ... + 220266.

It is an arithmetic number, because the mean of its divisors is an integer number (1541778).

Almost surely, 2^5726591 is an apocalyptic number.

5726591 is a deficient number, since it is larger than the sum of its proper divisors (440521).

5726591 is a wasteful number, since it uses less digits than its factorization.

5726591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440520.

The product of its digits is 18900, while the sum is 35.

The square root of 5726591 is about 2393.0296696865. The cubic root of 5726591 is about 178.9089452942.

The spelling of 5726591 in words is "five million, seven hundred twenty-six thousand, five hundred ninety-one".