8213097 has 4 divisors (see below), whose sum is σ = 10950800. Its totient is φ = 5475396.

The previous prime is 8213089. The next prime is 8213123. The reversal of 8213097 is 7903128.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8213097 - 2³ = 8213089 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 (8213497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368847 + ... + 1368852.

It is an arithmetic number, because the mean of its divisors is an integer number (2737700).

Almost surely, 2^8213097 is an apocalyptic number.

It is an amenable number.

8213097 is a deficient number, since it is larger than the sum of its proper divisors (2737703).

8213097 is a wasteful number, since it uses less digits than its factorization.

8213097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737702.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 8213097 is about 2865.8501356491. The cubic root of 8213097 is about 201.7602701264.

The spelling of 8213097 in words is "eight million, two hundred thirteen thousand, ninety-seven".