2560253563 has 16 divisors (see below), whose sum is σ = 2987642880. Its totient is φ = 2148453216.

The previous prime is 2560253557. The next prime is 2560253581. The reversal of 2560253563 is 3653520652.

It is not a de Polignac number, because 2560253563 - 2²¹ = 2558156411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560253063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170506 + ... + 184912.

It is an arithmetic number, because the mean of its divisors is an integer number (186727680).

Almost surely, 2^2560253563 is an apocalyptic number.

2560253563 is a deficient number, since it is larger than the sum of its proper divisors (427389317).

2560253563 is a wasteful number, since it uses less digits than its factorization.

2560253563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14946.

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 2560253563 is about 50598.9482400573. The cubic root of 2560253563 is about 1368.0259211243.

The spelling of 2560253563 in words is "two billion, five hundred sixty million, two hundred fifty-three thousand, five hundred sixty-three".