897265 has 4 divisors (see below), whose sum is σ = 1076724. Its totient is φ = 717808.

The previous prime is 897263. The next prime is 897269. The reversal of 897265 is 562798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 651249 + 246016 = 807^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 897265 - 2¹ = 897263 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8⁴ + 9⁴ + 2¹⁴ + 7⁷ + 6⁶ + 5² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89722 + ... + 89731.

It is an arithmetic number, because the mean of its divisors is an integer number (269181).

2⁸⁹⁷²⁶⁵ is an apocalyptic number.

It is an amenable number.

897265 is a deficient number, since it is larger than the sum of its proper divisors (179459).

897265 is a wasteful number, since it uses less digits than its factorization.

897265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179458.

The product of its digits is 30240, while the sum is 37.

The square root of 897265 is about 947.2407296986. The cubic root of 897265 is about 96.4510387259.

It can be divided in two parts, 897 and 265, that multiplied together give a triangular number (237705 = T₆₈₉).

The spelling of 897265 in words is "eight hundred ninety-seven thousand, two hundred sixty-five".