2568825 has 54 divisors (see below), whose sum is σ = 5375214. Its totient is φ = 1169280.

The previous prime is 2568823. The next prime is 2568827. The reversal of 2568825 is 5288652.

It is an interprime number because it is at equal distance from previous prime (2568823) and next prime (2568827).

It can be written as a sum of positive squares in 3 ways, for example, as 21609 + 2547216 = 147^2 + 1596^2 .

It is not a de Polignac number, because 2568825 - 2¹ = 2568823 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2568825.

It is not an unprimeable number, because it can be changed into a prime (2568823) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 10909 + ... + 11141.

It is an arithmetic number, because the mean of its divisors is an integer number (99541).

2^2568825 is an apocalyptic number.

2568825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2568825 is an abundant number, since it is smaller than the sum of its proper divisors (2806389).

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

2568825 is a wasteful number, since it uses less digits than its factorization.

2568825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 248 counting only the distinct ones).

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

The square root of 2568825 is about 1602.7554398597. The cubic root of 2568825 is about 136.9550885518.

The spelling of 2568825 in words is "two million, five hundred sixty-eight thousand, eight hundred twenty-five".