897269 has 2 divisors, whose sum is σ = 897270. Its totient is φ = 897268.

The previous prime is 897263. The next prime is 897271. The reversal of 897269 is 962798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 69169 = 910^2 + 263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897269 is a prime.

It is a super-2 number, since 2×897269² = 1610183316722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 897271, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448634 + 448635.

It is an arithmetic number, because the mean of its divisors is an integer number (448635).

2⁸⁹⁷²⁶⁹ is an apocalyptic number.

It is an amenable number.

897269 is a deficient number, since it is larger than the sum of its proper divisors (1).

897269 is an equidigital number, since it uses as much as digits as its factorization.

897269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 897269 is about 947.2428410920. The cubic root of 897269 is about 96.4511820517.

The spelling of 897269 in words is "eight hundred ninety-seven thousand, two hundred sixty-nine".