2255617 has 12 divisors (see below), whose sum is σ = 2826516. Its totient is φ = 1784160.

The previous prime is 2255609. The next prime is 2255621. The reversal of 2255617 is 7165522.

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 1640961 = 784^2 + 1281^2 .

It is not a de Polignac number, because 2255617 - 2³ = 2255609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2255657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1134 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (235543).

2^2255617 is an apocalyptic number.

It is an amenable number.

2255617 is a deficient number, since it is larger than the sum of its proper divisors (570899).

2255617 is a wasteful number, since it uses less digits than its factorization.

2255617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568 (or 3561 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 2255617 is about 1501.8711662456. The cubic root of 2255617 is about 131.1460213517.

The spelling of 2255617 in words is "two million, two hundred fifty-five thousand, six hundred seventeen".