2591149 has 4 divisors (see below), whose sum is σ = 2826720. Its totient is φ = 2355580.

The previous prime is 2591143. The next prime is 2591153. The reversal of 2591149 is 9411952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2591149 - 2¹¹ = 2589101 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

2591149 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2591149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591143) 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, 117769 + ... + 117790.

It is an arithmetic number, because the mean of its divisors is an integer number (706680).

2^2591149 is an apocalyptic number.

It is an amenable number.

2591149 is a deficient number, since it is larger than the sum of its proper divisors (235571).

2591149 is a wasteful number, since it uses less digits than its factorization.

2591149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235570.

The product of its digits is 3240, while the sum is 31.

The square root of 2591149 is about 1609.7046312911. The cubic root of 2591149 is about 137.3506742538.

The spelling of 2591149 in words is "two million, five hundred ninety-one thousand, one hundred forty-nine".