2257863 has 8 divisors (see below), whose sum is σ = 3040128. Its totient is φ = 1490424.

The previous prime is 2257861. The next prime is 2257867. The reversal of 2257863 is 3687522.

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

It is not a de Polignac number, because 2257863 - 2¹ = 2257861 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 2²¹ + 5⁷ + 7⁴ + 8⁵ + 6⁶ + 3⁶ .

2257863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3345 + ... + 3962.

It is an arithmetic number, because the mean of its divisors is an integer number (380016).

2^2257863 is an apocalyptic number.

2257863 is a deficient number, since it is larger than the sum of its proper divisors (782265).

2257863 is a wasteful number, since it uses less digits than its factorization.

2257863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413.

The product of its digits is 20160, while the sum is 33.

The square root of 2257863 is about 1502.6187141121. The cubic root of 2257863 is about 131.1895358685.

The spelling of 2257863 in words is "two million, two hundred fifty-seven thousand, eight hundred sixty-three".