897553 has 2 divisors, whose sum is σ = 897554. Its totient is φ = 897552.

The previous prime is 897527. The next prime is 897557. The reversal of 897553 is 355798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 135424 = 873^2 + 368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897553 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (897557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448776 + 448777.

It is an arithmetic number, because the mean of its divisors is an integer number (448777).

2⁸⁹⁷⁵⁵³ is an apocalyptic number.

It is an amenable number.

897553 is a deficient number, since it is larger than the sum of its proper divisors (1).

897553 is an equidigital number, since it uses as much as digits as its factorization.

897553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 897553 is about 947.3927379920. The cubic root of 897553 is about 96.4613570925.

The spelling of 897553 in words is "eight hundred ninety-seven thousand, five hundred fifty-three".