2630863 has 2 divisors, whose sum is σ = 2630864. Its totient is φ = 2630862.

The previous prime is 2630861. The next prime is 2630879. The reversal of 2630863 is 3680362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2630863 - 2¹ = 2630861 is a prime.

Together with 2630861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2630861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315431 + 1315432.

It is an arithmetic number, because the mean of its divisors is an integer number (1315432).

2^2630863 is an apocalyptic number.

2630863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2630863 is an equidigital number, since it uses as much as digits as its factorization.

2630863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2630863 is about 1621.9935264976. The cubic root of 2630863 is about 138.0488344986.

The spelling of 2630863 in words is "two million, six hundred thirty thousand, eight hundred sixty-three".