2591011 has 16 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 2302560.

The previous prime is 2590997. The next prime is 2591023. The reversal of 2591011 is 1101952.

It is a cyclic number.

It is not a de Polignac number, because 2591011 - 2⁵ = 2590979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2591011.

It is not an unprimeable number, because it can be changed into a prime (2591041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31176 + ... + 31258.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

2^2591011 is an apocalyptic number.

2591011 is a deficient number, since it is larger than the sum of its proper divisors (312029).

2591011 is a wasteful number, since it uses less digits than its factorization.

2591011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 2591011 is about 1609.6617657135. The cubic root of 2591011 is about 137.3482358594.

Adding to 2591011 its reverse (1101952), we get a palindrome (3692963).

It can be divided in two parts, 25910 and 11, that added together give a square (25921 = 161²).

The spelling of 2591011 in words is "two million, five hundred ninety-one thousand, eleven".