2558528 has 28 divisors (see below), whose sum is σ = 5803392. Its totient is φ = 1096320.

The previous prime is 2558527. The next prime is 2558531. The reversal of 2558528 is 8258552.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (2558527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (207264).

2^2558528 is an apocalyptic number.

2558528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2558528 is an abundant number, since it is smaller than the sum of its proper divisors (3244864).

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

2558528 is an equidigital number, since it uses as much as digits as its factorization.

2558528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730 (or 5720 counting only the distinct ones).

The product of its digits is 32000, while the sum is 35.

The square root of 2558528 is about 1599.5399338560. The cubic root of 2558528 is about 136.7718510759.

The spelling of 2558528 in words is "two million, five hundred fifty-eight thousand, five hundred twenty-eight".