2563426 has 16 divisors (see below), whose sum is σ = 4015800. Its totient is φ = 1225728.

The previous prime is 2563417. The next prime is 2563433. The reversal of 2563426 is 6243652.

It is a happy number.

2563426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2399401 + 164025 = 1549^2 + 405^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2563394 and 2563403.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11080 + ... + 11308.

2^2563426 is an apocalyptic number.

2563426 is a deficient number, since it is larger than the sum of its proper divisors (1452374).

2563426 is a wasteful number, since it uses less digits than its factorization.

2563426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453.

The product of its digits is 8640, while the sum is 28.

The square root of 2563426 is about 1601.0702670401. The cubic root of 2563426 is about 136.8590732982.

The spelling of 2563426 in words is "two million, five hundred sixty-three thousand, four hundred twenty-six".