2558560 has 24 divisors (see below), whose sum is σ = 6044976. Its totient is φ = 1023360.

The previous prime is 2558533. The next prime is 2558581. The reversal of 2558560 is 658552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7836 + ... + 8155.

It is an arithmetic number, because the mean of its divisors is an integer number (251874).

2^2558560 is an apocalyptic number.

2558560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2558560 is an abundant number, since it is smaller than the sum of its proper divisors (3486416).

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

2558560 is a wasteful number, since it uses less digits than its factorization.

2558560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006 (or 15998 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2558560 is about 1599.5499367009. The cubic root of 2558560 is about 136.7724212841.

It can be divided in two parts, 25 and 58560, that added together give a palindrome (58585).

The spelling of 2558560 in words is "two million, five hundred fifty-eight thousand, five hundred sixty".