8312897 has 4 divisors (see below), whose sum is σ = 8449236. Its totient is φ = 8176560.

The previous prime is 8312851. The next prime is 8312903. The reversal of 8312897 is 7982138.

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 2972176 + 5340721 = 1724^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 8312897 - 2¹⁴ = 8296513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8312897.

It is not an unprimeable number, because it can be changed into a prime (8312197) 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, 68078 + ... + 68199.

It is an arithmetic number, because the mean of its divisors is an integer number (2112309).

Almost surely, 2^8312897 is an apocalyptic number.

It is an amenable number.

8312897 is a deficient number, since it is larger than the sum of its proper divisors (136339).

8312897 is a wasteful number, since it uses less digits than its factorization.

8312897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136338.

The product of its digits is 24192, while the sum is 38.

The square root of 8312897 is about 2883.2094963773. The cubic root of 8312897 is about 202.5742003141.

The spelling of 8312897 in words is "eight million, three hundred twelve thousand, eight hundred ninety-seven".