2256065 has 16 divisors (see below), whose sum is σ = 3139968. Its totient is φ = 1524096.

The previous prime is 2256049. The next prime is 2256073. The reversal of 2256065 is 5606522.

It is a happy number.

It is not a de Polignac number, because 2256065 - 2⁴ = 2256049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114 + ... + 2996.

It is an arithmetic number, because the mean of its divisors is an integer number (196248).

2^2256065 is an apocalyptic number.

It is an amenable number.

2256065 is a deficient number, since it is larger than the sum of its proper divisors (883903).

2256065 is an equidigital number, since it uses as much as digits as its factorization.

2256065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2256065 is about 1502.0203061211. The cubic root of 2256065 is about 131.1547033115.

The spelling of 2256065 in words is "two million, two hundred fifty-six thousand, sixty-five".