2563466 has 8 divisors (see below), whose sum is σ = 3862404. Its totient is φ = 1276000.

The previous prime is 2563453. The next prime is 2563489. The reversal of 2563466 is 6643652.

2563466 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 2 ways, for example, as 2493241 + 70225 = 1579^2 + 265^2 .

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

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 2285 + ... + 3216.

2^2563466 is an apocalyptic number.

2563466 is a deficient number, since it is larger than the sum of its proper divisors (1298938).

2563466 is a wasteful number, since it uses less digits than its factorization.

2563466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5736.

The product of its digits is 25920, while the sum is 32.

The square root of 2563466 is about 1601.0827586355. The cubic root of 2563466 is about 136.8597851495.

The spelling of 2563466 in words is "two million, five hundred sixty-three thousand, four hundred sixty-six".