897132853 has 2 divisors, whose sum is σ = 897132854. Its totient is φ = 897132852.

The previous prime is 897132787. The next prime is 897132869. The reversal of 897132853 is 358231798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812364004 + 84768849 = 28502^2 + 9207^2 .

It is a cyclic number.

It is not a de Polignac number, because 897132853 - 2²⁵ = 863578421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897132053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448566426 + 448566427.

It is an arithmetic number, because the mean of its divisors is an integer number (448566427).

Almost surely, 2^897132853 is an apocalyptic number.

It is an amenable number.

897132853 is a deficient number, since it is larger than the sum of its proper divisors (1).

897132853 is an equidigital number, since it uses as much as digits as its factorization.

897132853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 897132853 is about 29952.1760979065. The cubic root of 897132853 is about 964.4630346889.

The spelling of 897132853 in words is "eight hundred ninety-seven million, one hundred thirty-two thousand, eight hundred fifty-three".