2100559 has 2 divisors, whose sum is σ = 2100560. Its totient is φ = 2100558.

The previous prime is 2100551. The next prime is 2100563. The reversal of 2100559 is 9550012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100559 - 2³ = 2100551 is a prime.

It is a super-2 number, since 2×2100559² = 8824696224962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050279 + 1050280.

It is an arithmetic number, because the mean of its divisors is an integer number (1050280).

2^2100559 is an apocalyptic number.

2100559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100559 is an equidigital number, since it uses as much as digits as its factorization.

2100559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2100559 is about 1449.3305351092. The cubic root of 2100559 is about 128.0692780900.

The spelling of 2100559 in words is "two million, one hundred thousand, five hundred fifty-nine".