2551426 has 8 divisors (see below), whose sum is σ = 3850560. Its totient is φ = 1267908.

The previous prime is 2551421. The next prime is 2551429. The reversal of 2551426 is 6241552.

2551426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2551426.

It is not an unprimeable number, because it can be changed into a prime (2551421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3486 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (481320).

2^2551426 is an apocalyptic number.

2551426 is a deficient number, since it is larger than the sum of its proper divisors (1299134).

2551426 is a wasteful number, since it uses less digits than its factorization.

2551426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808.

The product of its digits is 2400, while the sum is 25.

The square root of 2551426 is about 1597.3183777820. The cubic root of 2551426 is about 136.6451826894.

Adding to 2551426 its reverse (6241552), we get a palindrome (8792978).

It can be divided in two parts, 255 and 1426, that added together give a square (1681 = 41²).

The spelling of 2551426 in words is "two million, five hundred fifty-one thousand, four hundred twenty-six".