2612291 has 16 divisors (see below), whose sum is σ = 3110400. Its totient is φ = 2167200.

The previous prime is 2612287. The next prime is 2612297. The reversal of 2612291 is 1922162.

It is a cyclic number.

It is not a de Polignac number, because 2612291 - 2² = 2612287 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 (2612297) 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, 5846 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

2^2612291 is an apocalyptic number.

2612291 is a deficient number, since it is larger than the sum of its proper divisors (498109).

2612291 is a wasteful number, since it uses less digits than its factorization.

2612291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its digits is 432, while the sum is 23.

The square root of 2612291 is about 1616.2583333119. The cubic root of 2612291 is about 137.7232252861.

It can be divided in two parts, 261 and 2291, that added together give a palindrome (2552).

The spelling of 2612291 in words is "two million, six hundred twelve thousand, two hundred ninety-one".