2258065 has 8 divisors (see below), whose sum is σ = 2761128. Its totient is φ = 1772160.

The previous prime is 2258041. The next prime is 2258083. The reversal of 2258065 is 5608522.

It can be written as a sum of positive squares in 4 ways, for example, as 389376 + 1868689 = 624^2 + 1367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2258065 - 2⁵ = 2258033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3996 + ... + 4525.

It is an arithmetic number, because the mean of its divisors is an integer number (345141).

2^2258065 is an apocalyptic number.

It is an amenable number.

2258065 is a deficient number, since it is larger than the sum of its proper divisors (503063).

2258065 is an equidigital number, since it uses as much as digits as its factorization.

2258065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8579.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2258065 is about 1502.6859285959. The cubic root of 2258065 is about 131.1934480480.

The spelling of 2258065 in words is "two million, two hundred fifty-eight thousand, sixty-five".