201572563 has 2 divisors, whose sum is σ = 201572564. Its totient is φ = 201572562.

The previous prime is 201572561. The next prime is 201572603. The reversal of 201572563 is 365275102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201572563 - 2¹ = 201572561 is a prime.

Together with 201572561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201572561) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100786281 + 100786282.

It is an arithmetic number, because the mean of its divisors is an integer number (100786282).

Almost surely, 2^201572563 is an apocalyptic number.

201572563 is a deficient number, since it is larger than the sum of its proper divisors (1).

201572563 is an equidigital number, since it uses as much as digits as its factorization.

201572563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 201572563 is about 14197.6252591763. The cubic root of 201572563 is about 586.3322819333.

The spelling of 201572563 in words is "two hundred one million, five hundred seventy-two thousand, five hundred sixty-three".