2525808 has 40 divisors (see below), whose sum is σ = 6602256. Its totient is φ = 832000.

The previous prime is 2525807. The next prime is 2525851. The reversal of 2525808 is 8085252.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 5⁶ + 2¹⁸ + 5⁹ + 8⁵ + 0 + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4588 + ... + 5108.

2^2525808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3301128).

2525808 is an abundant number, since it is smaller than the sum of its proper divisors (4076448).

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

2525808 is a wasteful number, since it uses less digits than its factorization.

2525808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2525808 is about 1589.2790818481. The cubic root of 2525808 is about 136.1863075197.

It can be divided in two parts, 2525 and 808, that added together give a palindrome (3333).

The spelling of 2525808 in words is "two million, five hundred twenty-five thousand, eight hundred eight".