897577 has 2 divisors, whose sum is σ = 897578. Its totient is φ = 897576.

The previous prime is 897571. The next prime is 897581. The reversal of 897577 is 775798.

897577 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., 571536 + 326041 = 756^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 897577 - 2¹¹ = 895529 is a prime.

It is not a weakly prime, because it can be changed into another prime (897571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448788 + 448789.

It is an arithmetic number, because the mean of its divisors is an integer number (448789).

2⁸⁹⁷⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

897577 is a deficient number, since it is larger than the sum of its proper divisors (1).

897577 is an equidigital number, since it uses as much as digits as its factorization.

897577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 43.

The square root of 897577 is about 947.4054042489. The cubic root of 897577 is about 96.4622168568.

The spelling of 897577 in words is "eight hundred ninety-seven thousand, five hundred seventy-seven".