2872591 has 4 divisors (see below), whose sum is σ = 3023800. Its totient is φ = 2721384.

The previous prime is 2872579. The next prime is 2872601. The reversal of 2872591 is 1952782.

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 2872591 - 2⁵ = 2872559 is a prime.

It is a Duffinian number.

2872591 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75576 + ... + 75613.

It is an arithmetic number, because the mean of its divisors is an integer number (755950).

2^2872591 is an apocalyptic number.

2872591 is a deficient number, since it is larger than the sum of its proper divisors (151209).

2872591 is a wasteful number, since it uses less digits than its factorization.

2872591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151208.

The product of its digits is 10080, while the sum is 34.

The square root of 2872591 is about 1694.8719715660. The cubic root of 2872591 is about 142.1536226742.

The spelling of 2872591 in words is "two million, eight hundred seventy-two thousand, five hundred ninety-one".