201090563 has 2 divisors, whose sum is σ = 201090564. Its totient is φ = 201090562.

The previous prime is 201090499. The next prime is 201090577. The reversal of 201090563 is 365090102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201090563 - 2⁶ = 201090499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (201090163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100545281 + 100545282.

It is an arithmetic number, because the mean of its divisors is an integer number (100545282).

Almost surely, 2^201090563 is an apocalyptic number.

201090563 is a deficient number, since it is larger than the sum of its proper divisors (1).

201090563 is an equidigital number, since it uses as much as digits as its factorization.

201090563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 201090563 is about 14180.6404298254. The cubic root of 201090563 is about 585.8645633179.

The spelling of 201090563 in words is "two hundred one million, ninety thousand, five hundred sixty-three".