2135563 has 2 divisors, whose sum is σ = 2135564. Its totient is φ = 2135562.

The previous prime is 2135537. The next prime is 2135597. The reversal of 2135563 is 3655312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2135563 - 2⁹ = 2135051 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 3⁴ + 5⁵ + 5⁹ + 6² + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (2135503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067781 + 1067782.

It is an arithmetic number, because the mean of its divisors is an integer number (1067782).

2^2135563 is an apocalyptic number.

2135563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135563 is an equidigital number, since it uses as much as digits as its factorization.

2135563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 2135563 is about 1461.3565615551. The cubic root of 2135563 is about 128.7767506549.

It can be divided in two parts, 213 and 5563, that added together give a square (5776 = 76²).

The spelling of 2135563 in words is "two million, one hundred thirty-five thousand, five hundred sixty-three".