897031 has 4 divisors (see below), whose sum is σ = 907200. Its totient is φ = 886864.

The previous prime is 897019. The next prime is 897049. The reversal of 897031 is 130798.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897031 is a prime.

It is a super-2 number, since 2×897031² = 1609329229922, which contains 22 as substring.

It is a Duffinian number.

897031 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

2⁸⁹⁷⁰³¹ is an apocalyptic number.

897031 is a deficient number, since it is larger than the sum of its proper divisors (10169).

897031 is a wasteful number, since it uses less digits than its factorization.

897031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10168.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 897031 is about 947.1172049963. The cubic root of 897031 is about 96.4426534271.

The spelling of 897031 in words is "eight hundred ninety-seven thousand, thirty-one".