2106463 has 2 divisors, whose sum is σ = 2106464. Its totient is φ = 2106462.

The previous prime is 2106451. The next prime is 2106479. The reversal of 2106463 is 3646012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2106463 - 2⁵ = 2106431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053231 + 1053232.

It is an arithmetic number, because the mean of its divisors is an integer number (1053232).

2^2106463 is an apocalyptic number.

2106463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106463 is an equidigital number, since it uses as much as digits as its factorization.

2106463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2106463 is about 1451.3659083773. The cubic root of 2106463 is about 128.1891531196.

The spelling of 2106463 in words is "two million, one hundred six thousand, four hundred sixty-three".