2687263 has 4 divisors (see below), whose sum is σ = 2752848. Its totient is φ = 2621680.

The previous prime is 2687261. The next prime is 2687281. The reversal of 2687263 is 3627862.

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

It is a cyclic number.

It is not a de Polignac number, because 2687263 - 2¹ = 2687261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687261) 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, 32731 + ... + 32812.

It is an arithmetic number, because the mean of its divisors is an integer number (688212).

2^2687263 is an apocalyptic number.

2687263 is a deficient number, since it is larger than the sum of its proper divisors (65585).

2687263 is an equidigital number, since it uses as much as digits as its factorization.

2687263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65584.

The product of its digits is 24192, while the sum is 34.

The square root of 2687263 is about 1639.2873451595. The cubic root of 2687263 is about 139.0283571357.

The spelling of 2687263 in words is "two million, six hundred eighty-seven thousand, two hundred sixty-three".