897368231 has 2 divisors, whose sum is σ = 897368232. Its totient is φ = 897368230.

The previous prime is 897368203. The next prime is 897368261. The reversal of 897368231 is 132863798.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897368231 is a prime.

It is a super-2 number, since 2×897368231² = 1610539484016138722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897368201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448684115 + 448684116.

It is an arithmetic number, because the mean of its divisors is an integer number (448684116).

Almost surely, 2^897368231 is an apocalyptic number.

897368231 is a deficient number, since it is larger than the sum of its proper divisors (1).

897368231 is an equidigital number, since it uses as much as digits as its factorization.

897368231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 897368231 is about 29956.1050705862. The cubic root of 897368231 is about 964.5473750511.

The spelling of 897368231 in words is "eight hundred ninety-seven million, three hundred sixty-eight thousand, two hundred thirty-one".