2560558 has 32 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 920160.

The previous prime is 2560549. The next prime is 2560583. The reversal of 2560558 is 8550652.

2560558 is nontrivially palindromic in base 9.

It is a super-3 number, since 3×2560558³ = 50364567353547783336, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363 + ... + 2641.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

2^2560558 is an apocalyptic number.

2560558 is an abundant number, since it is smaller than the sum of its proper divisors (2600402).

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

2560558 is a wasteful number, since it uses less digits than its factorization.

2560558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

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

The square root of 2560558 is about 1600.1743654990. The cubic root of 2560558 is about 136.8080142473.

The spelling of 2560558 in words is "two million, five hundred sixty thousand, five hundred fifty-eight".