201701997 has 12 divisors (see below), whose sum is σ = 332968480. Its totient is φ = 115258248.

The previous prime is 201701953. The next prime is 201702023. The reversal of 201701997 is 799107102.

201701997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201701997 - 2¹⁴ = 201685613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201701917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1600747 + ... + 1600872.

Almost surely, 2^201701997 is an apocalyptic number.

It is an amenable number.

201701997 is a deficient number, since it is larger than the sum of its proper divisors (131266483).

201701997 is a wasteful number, since it uses less digits than its factorization.

201701997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201632 (or 3201629 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 201701997 is about 14202.1828251857. The cubic root of 201701997 is about 586.4577538617.

The spelling of 201701997 in words is "two hundred one million, seven hundred one thousand, nine hundred ninety-seven".