2568258 has 96 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 622080.

The previous prime is 2568253. The next prime is 2568259. The reversal of 2568258 is 8528652.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁰ + 5² + 6⁶ + 8 + 2²¹ + 5⁸ + 8⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23508 + ... + 23616.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^2568258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2568258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706560).

2568258 is an abundant number, since it is smaller than the sum of its proper divisors (4844862).

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

2568258 is a wasteful number, since it uses less digits than its factorization.

2568258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 149 counting only the distinct ones).

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

The square root of 2568258 is about 1602.5785472170. The cubic root of 2568258 is about 136.9450114090.

The spelling of 2568258 in words is "two million, five hundred sixty-eight thousand, two hundred fifty-eight".