201282001 has 2 divisors, whose sum is σ = 201282002. Its totient is φ = 201282000.

The previous prime is 201281987. The next prime is 201282031. The reversal of 201282001 is 100282102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148864401 + 52417600 = 12201^2 + 7240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201282001 is a prime.

It is not a weakly prime, because it can be changed into another prime (201282031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100641000 + 100641001.

It is an arithmetic number, because the mean of its divisors is an integer number (100641001).

Almost surely, 2^201282001 is an apocalyptic number.

It is an amenable number.

201282001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201282001 is an equidigital number, since it uses as much as digits as its factorization.

201282001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 201282001 is about 14187.3888013263. The cubic root of 201282001 is about 586.0504184974.

The spelling of 201282001 in words is "two hundred one million, two hundred eighty-two thousand, one".