2550563 has 2 divisors, whose sum is σ = 2550564. Its totient is φ = 2550562.

The previous prime is 2550551. The next prime is 2550577. The reversal of 2550563 is 3650552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2550563 - 2¹⁴ = 2534179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2550763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275281 + 1275282.

It is an arithmetic number, because the mean of its divisors is an integer number (1275282).

2^2550563 is an apocalyptic number.

2550563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550563 is an equidigital number, since it uses as much as digits as its factorization.

2550563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2550563 is about 1597.0482146761. The cubic root of 2550563 is about 136.6297745620.

It can be divided in two parts, 2550 and 563, that added together give a palindrome (3113).

The spelling of 2550563 in words is "two million, five hundred fifty thousand, five hundred sixty-three".