2065281 has 12 divisors (see below), whose sum is σ = 2907792. Its totient is φ = 1303704.

The previous prime is 2065267. The next prime is 2065309. The reversal of 2065281 is 1825602.

It is not a de Polignac number, because 2065281 - 2⁷ = 2065153 is a prime.

It is a super-2 number, since 2×2065281² = 8530771217922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2065241) 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, 130 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (242316).

2^2065281 is an apocalyptic number.

It is an amenable number.

2065281 is a deficient number, since it is larger than the sum of its proper divisors (842511).

2065281 is a wasteful number, since it uses less digits than its factorization.

2065281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2065281 is about 1437.1085553987. The cubic root of 2065281 is about 127.3482701031.

It can be divided in two parts, 2065 and 281, that added together give a triangular number (2346 = T₆₈).

The spelling of 2065281 in words is "two million, sixty-five thousand, two hundred eighty-one".