2031863 has 2 divisors, whose sum is σ = 2031864. Its totient is φ = 2031862.

The previous prime is 2031851. The next prime is 2031893. The reversal of 2031863 is 3681302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015931 + 1015932.

It is an arithmetic number, because the mean of its divisors is an integer number (1015932).

2^2031863 is an apocalyptic number.

2031863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031863 is an equidigital number, since it uses as much as digits as its factorization.

2031863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2031863 is about 1425.4343197777. The cubic root of 2031863 is about 126.6576640262.

The spelling of 2031863 in words is "two million, thirty-one thousand, eight hundred sixty-three".