2580563 has 2 divisors, whose sum is σ = 2580564. Its totient is φ = 2580562.

The previous prime is 2580547. The next prime is 2580587. The reversal of 2580563 is 3650852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2580563 - 2⁴ = 2580547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2580463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290281 + 1290282.

It is an arithmetic number, because the mean of its divisors is an integer number (1290282).

2^2580563 is an apocalyptic number.

2580563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580563 is an equidigital number, since it uses as much as digits as its factorization.

2580563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2580563 is about 1606.4130851061. The cubic root of 2580563 is about 137.1633726853.

The spelling of 2580563 in words is "two million, five hundred eighty thousand, five hundred sixty-three".