2859263 has 4 divisors (see below), whose sum is σ = 3119208. Its totient is φ = 2599320.

The previous prime is 2859251. The next prime is 2859271. The reversal of 2859263 is 3629582.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2859263 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 8⁵ + 5 + 9⁵ + 2²¹ + 6⁵ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129956 + ... + 129977.

It is an arithmetic number, because the mean of its divisors is an integer number (779802).

2^2859263 is an apocalyptic number.

2859263 is a deficient number, since it is larger than the sum of its proper divisors (259945).

2859263 is a wasteful number, since it uses less digits than its factorization.

2859263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259944.

The product of its digits is 25920, while the sum is 35.

The square root of 2859263 is about 1690.9355398713. The cubic root of 2859263 is about 141.9334310737.

The spelling of 2859263 in words is "two million, eight hundred fifty-nine thousand, two hundred sixty-three".