2853281 has 4 divisors (see below), whose sum is σ = 2951700. Its totient is φ = 2754864.

The previous prime is 2853269. The next prime is 2853307. The reversal of 2853281 is 1823582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 555025 + 2298256 = 745^2 + 1516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2853281 - 2⁶ = 2853217 is a prime.

It is a super-2 number, since 2×2853281² = 16282424929922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 98389 = 2853281 / (2 + 8 + 5 + 3 + 2 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2853241) 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, 49166 + ... + 49223.

It is an arithmetic number, because the mean of its divisors is an integer number (737925).

2^2853281 is an apocalyptic number.

It is an amenable number.

2853281 is a deficient number, since it is larger than the sum of its proper divisors (98419).

2853281 is an equidigital number, since it uses as much as digits as its factorization.

2853281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98418.

The product of its digits is 3840, while the sum is 29.

The square root of 2853281 is about 1689.1657704323. The cubic root of 2853281 is about 141.8343800731.

2853281 divided by its sum of digits (29) gives a palindrome (98389).

The spelling of 2853281 in words is "two million, eight hundred fifty-three thousand, two hundred eighty-one".