2258345 has 4 divisors (see below), whose sum is σ = 2710020. Its totient is φ = 1806672.

The previous prime is 2258339. The next prime is 2258351. The reversal of 2258345 is 5438522.

2258345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (2258339) and next prime (2258351).

It can be written as a sum of positive squares in 2 ways, for example, as 1478656 + 779689 = 1216^2 + 883^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258345 - 2⁴ = 2258329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225830 + ... + 225839.

It is an arithmetic number, because the mean of its divisors is an integer number (677505).

2^2258345 is an apocalyptic number.

It is an amenable number.

2258345 is a deficient number, since it is larger than the sum of its proper divisors (451675).

2258345 is an equidigital number, since it uses as much as digits as its factorization.

2258345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451674.

The product of its digits is 9600, while the sum is 29.

The square root of 2258345 is about 1502.7790922155. The cubic root of 2258345 is about 131.1988704853.

The spelling of 2258345 in words is "two million, two hundred fifty-eight thousand, three hundred forty-five".