897137 has 2 divisors, whose sum is σ = 897138. Its totient is φ = 897136.

The previous prime is 897133. The next prime is 897157. The reversal of 897137 is 731798.

897137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 58081 = 916^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 897137 - 2² = 897133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 897097 and 897106.

It is not a weakly prime, because it can be changed into another prime (897133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448568 + 448569.

It is an arithmetic number, because the mean of its divisors is an integer number (448569).

2⁸⁹⁷¹³⁷ is an apocalyptic number.

It is an amenable number.

897137 is a deficient number, since it is larger than the sum of its proper divisors (1).

897137 is an equidigital number, since it uses as much as digits as its factorization.

897137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 897137 is about 947.1731626266. The cubic root of 897137 is about 96.4464520765.

The spelling of 897137 in words is "eight hundred ninety-seven thousand, one hundred thirty-seven".