897359543 has 2 divisors, whose sum is σ = 897359544. Its totient is φ = 897359542.

The previous prime is 897359537. The next prime is 897359591. The reversal of 897359543 is 345953798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 897359543 - 2¹² = 897355447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897359443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448679771 + 448679772.

It is an arithmetic number, because the mean of its divisors is an integer number (448679772).

Almost surely, 2^897359543 is an apocalyptic number.

897359543 is a deficient number, since it is larger than the sum of its proper divisors (1).

897359543 is an equidigital number, since it uses as much as digits as its factorization.

897359543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The square root of 897359543 is about 29955.9600580586. The cubic root of 897359543 is about 964.5442622396.

The spelling of 897359543 in words is "eight hundred ninety-seven million, three hundred fifty-nine thousand, five hundred forty-three".