2135663 has 2 divisors, whose sum is σ = 2135664. Its totient is φ = 2135662.

The previous prime is 2135641. The next prime is 2135669. The reversal of 2135663 is 3665312.

2135663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2135663 - 2⁸ = 2135407 is a prime.

It is a super-2 number, since 2×2135663² = 9122112899138, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067831 + 1067832.

It is an arithmetic number, because the mean of its divisors is an integer number (1067832).

2^2135663 is an apocalyptic number.

2135663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135663 is an equidigital number, since it uses as much as digits as its factorization.

2135663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 26.

The square root of 2135663 is about 1461.3907759391. The cubic root of 2135663 is about 128.7787606594.

The spelling of 2135663 in words is "two million, one hundred thirty-five thousand, six hundred sixty-three".