2715591 has 4 divisors (see below), whose sum is σ = 3620792. Its totient is φ = 1810392.

The previous prime is 2715571. The next prime is 2715599. The reversal of 2715591 is 1955172.

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

It is not a de Polignac number, because 2715591 - 2⁹ = 2715079 is a prime.

It is a D-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 (2715599) 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, 452596 + ... + 452601.

It is an arithmetic number, because the mean of its divisors is an integer number (905198).

2^2715591 is an apocalyptic number.

2715591 is a deficient number, since it is larger than the sum of its proper divisors (905201).

2715591 is an equidigital number, since it uses as much as digits as its factorization.

2715591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905200.

The product of its digits is 3150, while the sum is 30.

The square root of 2715591 is about 1647.9050336715. The cubic root of 2715591 is about 139.5151767252.

The spelling of 2715591 in words is "two million, seven hundred fifteen thousand, five hundred ninety-one".