201206573 has 2 divisors, whose sum is σ = 201206574. Its totient is φ = 201206572.

The previous prime is 201206567. The next prime is 201206581. The reversal of 201206573 is 375602102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156075049 + 45131524 = 12493^2 + 6718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201206573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201206563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100603286 + 100603287.

It is an arithmetic number, because the mean of its divisors is an integer number (100603287).

Almost surely, 2^201206573 is an apocalyptic number.

It is an amenable number.

201206573 is a deficient number, since it is larger than the sum of its proper divisors (1).

201206573 is an equidigital number, since it uses as much as digits as its factorization.

201206573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 201206573 is about 14184.7302758988. The cubic root of 201206573 is about 585.9772042447.

Adding to 201206573 its reverse (375602102), we get a palindrome (576808675).

The spelling of 201206573 in words is "two hundred one million, two hundred six thousand, five hundred seventy-three".