8197253 has 4 divisors (see below), whose sum is σ = 8397228. Its totient is φ = 7997280.

The previous prime is 8197201. The next prime is 8197271. The reversal of 8197253 is 3527918.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3527918 = 2 ⋅1763959.

It can be written as a sum of positive squares in 2 ways, for example, as 368449 + 7828804 = 607^2 + 2798^2 .

It is a cyclic number.

It is not a de Polignac number, because 8197253 - 2²² = 4002949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8197153) 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, 99926 + ... + 100007.

It is an arithmetic number, because the mean of its divisors is an integer number (2099307).

Almost surely, 2^8197253 is an apocalyptic number.

It is an amenable number.

8197253 is a deficient number, since it is larger than the sum of its proper divisors (199975).

8197253 is a wasteful number, since it uses less digits than its factorization.

8197253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199974.

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

The square root of 8197253 is about 2863.0845254725. The cubic root of 8197253 is about 201.6304470921.

The spelling of 8197253 in words is "eight million, one hundred ninety-seven thousand, two hundred fifty-three".