201252017 has 2 divisors, whose sum is σ = 201252018. Its totient is φ = 201252016.

The previous prime is 201251959. The next prime is 201252059. The reversal of 201252017 is 710252102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146506816 + 54745201 = 12104^2 + 7399^2 .

It is a cyclic number.

It is not a de Polignac number, because 201252017 - 2⁸ = 201251761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201252017.

It is not a weakly prime, because it can be changed into another prime (201252517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100626008 + 100626009.

It is an arithmetic number, because the mean of its divisors is an integer number (100626009).

Almost surely, 2^201252017 is an apocalyptic number.

It is an amenable number.

201252017 is a deficient number, since it is larger than the sum of its proper divisors (1).

201252017 is an equidigital number, since it uses as much as digits as its factorization.

201252017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 201252017 is about 14186.3320488419. The cubic root of 201252017 is about 586.0213166928.

The spelling of 201252017 in words is "two hundred one million, two hundred fifty-two thousand, seventeen".