2257563 has 32 divisors (see below), whose sum is σ = 3893760. Its totient is φ = 1128960.

The previous prime is 2257559. The next prime is 2257571. The reversal of 2257563 is 3657522.

2257563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2257563 - 2² = 2257559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2257563.

It is not an unprimeable number, because it can be changed into a prime (2257553) 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 31 ways as a sum of consecutive naturals, for example, 6531 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (121680).

2^2257563 is an apocalyptic number.

2257563 is a deficient number, since it is larger than the sum of its proper divisors (1636197).

2257563 is a wasteful number, since it uses less digits than its factorization.

2257563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387.

The product of its digits is 12600, while the sum is 30.

The square root of 2257563 is about 1502.5188850727. The cubic root of 2257563 is about 131.1837252703.

The spelling of 2257563 in words is "two million, two hundred fifty-seven thousand, five hundred sixty-three".