2685263 has 4 divisors (see below), whose sum is σ = 3068880. Its totient is φ = 2301648.

The previous prime is 2685259. The next prime is 2685301. The reversal of 2685263 is 3625862.

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 2685263 - 2² = 2685259 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 (2625263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191798 + ... + 191811.

It is an arithmetic number, because the mean of its divisors is an integer number (767220).

2^2685263 is an apocalyptic number.

2685263 is a deficient number, since it is larger than the sum of its proper divisors (383617).

2685263 is an equidigital number, since it uses as much as digits as its factorization.

2685263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383616.

The product of its digits is 17280, while the sum is 32.

The square root of 2685263 is about 1638.6772104353. The cubic root of 2685263 is about 138.9938578795.

The spelling of 2685263 in words is "two million, six hundred eighty-five thousand, two hundred sixty-three".