2558862 has 12 divisors (see below), whose sum is σ = 5544240. Its totient is φ = 852948.

The previous prime is 2558861. The next prime is 2558879. The reversal of 2558862 is 2688552.

2558862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁶ + 5⁶ + 5⁹ + 8 + 8² + 6³ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558861) 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, 71062 + ... + 71097.

It is an arithmetic number, because the mean of its divisors is an integer number (462020).

2^2558862 is an apocalyptic number.

2558862 is an abundant number, since it is smaller than the sum of its proper divisors (2985378).

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

2558862 is a wasteful number, since it uses less digits than its factorization.

2558862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142167 (or 142164 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2558862 is about 1599.6443354696. The cubic root of 2558862 is about 136.7778023899. Note that the first 3 decimals are identical.

The spelling of 2558862 in words is "two million, five hundred fifty-eight thousand, eight hundred sixty-two".