2563628 has 6 divisors (see below), whose sum is σ = 4486356. Its totient is φ = 1281812.

The previous prime is 2563601. The next prime is 2563633. The reversal of 2563628 is 8263652.

2563628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2563594 and 2563603.

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 as a sum of consecutive naturals, namely, 320450 + ... + 320457.

It is an arithmetic number, because the mean of its divisors is an integer number (747726).

2^2563628 is an apocalyptic number.

It is an amenable number.

2563628 is a deficient number, since it is larger than the sum of its proper divisors (1922728).

2563628 is a wasteful number, since it uses less digits than its factorization.

2563628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640911 (or 640909 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2563628 is about 1601.1333486003. The cubic root of 2563628 is about 136.8626680716.

The spelling of 2563628 in words is "two million, five hundred sixty-three thousand, six hundred twenty-eight".