2563560 has 48 divisors (see below), whose sum is σ = 8332740. Its totient is φ = 683520.

The previous prime is 2563553. The next prime is 2563601. The reversal of 2563560 is 653652.

2563560 is a `hidden beast` number, since 25 + 635 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2196324 + 367236 = 1482^2 + 606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3201 + ... + 3920.

2^2563560 is an apocalyptic number.

2563560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2563560 is an abundant number, since it is smaller than the sum of its proper divisors (5769180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2563560 is a wasteful number, since it uses less digits than its factorization.

2563560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138 (or 7131 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2563560 is about 1601.1121135011. The cubic root of 2563560 is about 136.8614579709.

The spelling of 2563560 in words is "two million, five hundred sixty-three thousand, five hundred sixty".