2750591 has 4 divisors (see below), whose sum is σ = 2765184. Its totient is φ = 2736000.

The previous prime is 2750569. The next prime is 2750597. The reversal of 2750591 is 1950572.

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 2750591 - 2¹⁰ = 2749567 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 (2750597) 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, 7010 + ... + 7391.

It is an arithmetic number, because the mean of its divisors is an integer number (691296).

2^2750591 is an apocalyptic number.

2750591 is a deficient number, since it is larger than the sum of its proper divisors (14593).

2750591 is a wasteful number, since it uses less digits than its factorization.

2750591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14592.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 2750591 is about 1658.4905788095. The cubic root of 2750591 is about 140.1120022093.

The spelling of 2750591 in words is "two million, seven hundred fifty thousand, five hundred ninety-one".