2263687 has 2 divisors, whose sum is σ = 2263688. Its totient is φ = 2263686.

The previous prime is 2263643. The next prime is 2263691. The reversal of 2263687 is 7863622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2263687 - 2⁷ = 2263559 is a prime.

2263687 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2263627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131843 + 1131844.

It is an arithmetic number, because the mean of its divisors is an integer number (1131844).

2^2263687 is an apocalyptic number.

2263687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263687 is an equidigital number, since it uses as much as digits as its factorization.

2263687 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2263687 is about 1504.5554160615. Note that the first 3 decimals coincide. The cubic root of 2263687 is about 131.3022371057.

The spelling of 2263687 in words is "two million, two hundred sixty-three thousand, six hundred eighty-seven".