201285701 has 2 divisors, whose sum is σ = 201285702. Its totient is φ = 201285700.

The previous prime is 201285659. The next prime is 201285703. The reversal of 201285701 is 107582102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134536801 + 66748900 = 11599^2 + 8170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201285701 is a prime.

It is a super-2 number, since 2×201285701² = 81031866854122802, which contains 22 as substring.

Together with 201285703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201285703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100642850 + 100642851.

It is an arithmetic number, because the mean of its divisors is an integer number (100642851).

Almost surely, 2^201285701 is an apocalyptic number.

It is an amenable number.

201285701 is a deficient number, since it is larger than the sum of its proper divisors (1).

201285701 is an equidigital number, since it uses as much as digits as its factorization.

201285701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 201285701 is about 14187.5191982249. The cubic root of 201285701 is about 586.0540094349.

The spelling of 201285701 in words is "two hundred one million, two hundred eighty-five thousand, seven hundred one".