897938201 has 2 divisors, whose sum is σ = 897938202. Its totient is φ = 897938200.

The previous prime is 897938191. The next prime is 897938203. The reversal of 897938201 is 102839798.

897938201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645160000 + 252778201 = 25400^2 + 15899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897938201 is a prime.

Together with 897938203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (897938203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448969100 + 448969101.

It is an arithmetic number, because the mean of its divisors is an integer number (448969101).

Almost surely, 2^897938201 is an apocalyptic number.

It is an amenable number.

897938201 is a deficient number, since it is larger than the sum of its proper divisors (1).

897938201 is an equidigital number, since it uses as much as digits as its factorization.

897938201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 897938201 is about 29965.6169801324. The cubic root of 897938201 is about 964.7515449389.

The spelling of 897938201 in words is "eight hundred ninety-seven million, nine hundred thirty-eight thousand, two hundred one".