2611243 has 4 divisors (see below), whose sum is σ = 2628688. Its totient is φ = 2593800.

The previous prime is 2611237. The next prime is 2611277. The reversal of 2611243 is 3421162.

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 2611243 - 2⁵ = 2611211 is a prime.

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 2611243.

It is not an unprimeable number, because it can be changed into a prime (2611043) 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, 8496 + ... + 8797.

It is an arithmetic number, because the mean of its divisors is an integer number (657172).

2^2611243 is an apocalyptic number.

2611243 is a deficient number, since it is larger than the sum of its proper divisors (17445).

2611243 is a wasteful number, since it uses less digits than its factorization.

2611243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17444.

The product of its digits is 288, while the sum is 19.

The square root of 2611243 is about 1615.9340951908. The cubic root of 2611243 is about 137.7048055356.

It can be divided in two parts, 261 and 1243, that multiplied together give a palindrome (324423).

The spelling of 2611243 in words is "two million, six hundred eleven thousand, two hundred forty-three".