2845257 has 8 divisors (see below), whose sum is σ = 3811584. Its totient is φ = 1887888.

The previous prime is 2845207. The next prime is 2845279. The reversal of 2845257 is 7525482.

2845257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2845257 - 2¹² = 2841161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845207) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1458 + ... + 2795.

It is an arithmetic number, because the mean of its divisors is an integer number (476448).

2^2845257 is an apocalyptic number.

It is an amenable number.

2845257 is a deficient number, since it is larger than the sum of its proper divisors (966327).

2845257 is a wasteful number, since it uses less digits than its factorization.

2845257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479.

The product of its digits is 22400, while the sum is 33.

The square root of 2845257 is about 1686.7889613108. The cubic root of 2845257 is about 141.7012996449.

The spelling of 2845257 in words is "two million, eight hundred forty-five thousand, two hundred fifty-seven".