2525558 has 12 divisors (see below), whose sum is σ = 4407012. Its totient is φ = 1082340.

The previous prime is 2525557. The next prime is 2525569. The reversal of 2525558 is 8555252.

2525558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2525558³ = 48327384840018123336, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12788 + ... + 12983.

It is an arithmetic number, because the mean of its divisors is an integer number (367251).

2^2525558 is an apocalyptic number.

2525558 is a deficient number, since it is larger than the sum of its proper divisors (1881454).

2525558 is a wasteful number, since it uses less digits than its factorization.

2525558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25787 (or 25780 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 2525558 is about 1589.2004278882. The cubic root of 2525558 is about 136.1818142116.

The spelling of 2525558 in words is "two million, five hundred twenty-five thousand, five hundred fifty-eight".