897133 has 2 divisors, whose sum is σ = 897134. Its totient is φ = 897132.

The previous prime is 897119. The next prime is 897137. The reversal of 897133 is 331798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896809 + 324 = 947^2 + 18^2 .

It is a cyclic number.

It is not a de Polignac number, because 897133 - 2⁵ = 897101 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 897095 and 897104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448566 + 448567.

It is an arithmetic number, because the mean of its divisors is an integer number (448567).

2⁸⁹⁷¹³³ is an apocalyptic number.

It is an amenable number.

897133 is a deficient number, since it is larger than the sum of its proper divisors (1).

897133 is an equidigital number, since it uses as much as digits as its factorization.

897133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 897133 is about 947.1710510779. The cubic root of 897133 is about 96.4463087366.

The spelling of 897133 in words is "eight hundred ninety-seven thousand, one hundred thirty-three".