2255311 has 4 divisors (see below), whose sum is σ = 2353392. Its totient is φ = 2157232.

The previous prime is 2255303. The next prime is 2255321. The reversal of 2255311 is 1135522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1135522 = 2 ⋅567761.

It is a cyclic number.

It is not a de Polignac number, because 2255311 - 2³ = 2255303 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁸ + 5² + 5⁸ + 3¹³ + 1 + 1 .

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49006 + ... + 49051.

It is an arithmetic number, because the mean of its divisors is an integer number (588348).

2^2255311 is an apocalyptic number.

2255311 is a deficient number, since it is larger than the sum of its proper divisors (98081).

2255311 is an equidigital number, since it uses as much as digits as its factorization.

2255311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98080.

The product of its digits is 300, while the sum is 19.

The square root of 2255311 is about 1501.7692898711. The cubic root of 2255311 is about 131.1400906023.

The spelling of 2255311 in words is "two million, two hundred fifty-five thousand, three hundred eleven".