2611426 has 4 divisors (see below), whose sum is σ = 3917142. Its totient is φ = 1305712.

The previous prime is 2611403. The next prime is 2611439. The reversal of 2611426 is 6241162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 720801 = 1375^2 + 849^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2611397 and 2611406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652855 + ... + 652858.

2^2611426 is an apocalyptic number.

2611426 is a deficient number, since it is larger than the sum of its proper divisors (1305716).

2611426 is a wasteful number, since it uses less digits than its factorization.

2611426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305715.

The product of its digits is 576, while the sum is 22.

The square root of 2611426 is about 1615.9907177951. The cubic root of 2611426 is about 137.7080223166.

Adding to 2611426 its reverse (6241162), we get a palindrome (8852588).

It can be divided in two parts, 2611 and 426, that multiplied together give a triangular number (1112286 = T₁₄₉₁).

The spelling of 2611426 in words is "two million, six hundred eleven thousand, four hundred twenty-six".