201772033 has 2 divisors, whose sum is σ = 201772034. Its totient is φ = 201772032.

The previous prime is 201772027. The next prime is 201772037. The reversal of 201772033 is 330277102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178035649 + 23736384 = 13343^2 + 4872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201772033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201771989 and 201772007.

It is not a weakly prime, because it can be changed into another prime (201772037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100886016 + 100886017.

It is an arithmetic number, because the mean of its divisors is an integer number (100886017).

Almost surely, 2^201772033 is an apocalyptic number.

It is an amenable number.

201772033 is a deficient number, since it is larger than the sum of its proper divisors (1).

201772033 is an equidigital number, since it uses as much as digits as its factorization.

201772033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 201772033 is about 14204.6482885005. The cubic root of 201772033 is about 586.5256236281.

The spelling of 201772033 in words is "two hundred one million, seven hundred seventy-two thousand, thirty-three".