865097 has 8 divisors (see below), whose sum is σ = 901056. Its totient is φ = 829872.

The previous prime is 865091. The next prime is 865103. The reversal of 865097 is 790568.

865097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (865091) and next prime (865103).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 865097 - 2¹² = 861001 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (865091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3698 + ... + 3924.

It is an arithmetic number, because the mean of its divisors is an integer number (112632).

2⁸⁶⁵⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

865097 is a deficient number, since it is larger than the sum of its proper divisors (35959).

865097 is a wasteful number, since it uses less digits than its factorization.

865097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 865097 is about 930.1059079481. The cubic root of 865097 is about 95.2843557680.

Subtracting from 865097 its reverse (790568), we obtain a square (74529 = 273²).

The spelling of 865097 in words is "eight hundred sixty-five thousand, ninety-seven".