8243253 has 6 divisors (see below), whose sum is σ = 11906934. Its totient is φ = 5495496.

The previous prime is 8243251. The next prime is 8243281. The reversal of 8243253 is 3523428.

It can be written as a sum of positive squares in only one way, i.e., 4334724 + 3908529 = 2082^2 + 1977^2 .

It is not a de Polignac number, because 8243253 - 2¹ = 8243251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8243251) 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 5 ways as a sum of consecutive naturals, for example, 457950 + ... + 457967.

It is an arithmetic number, because the mean of its divisors is an integer number (1984489).

Almost surely, 2^8243253 is an apocalyptic number.

It is an amenable number.

8243253 is a deficient number, since it is larger than the sum of its proper divisors (3663681).

8243253 is a wasteful number, since it uses less digits than its factorization.

8243253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915923 (or 915920 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 8243253 is about 2871.1065810938. The cubic root of 8243253 is about 202.0069026821.

The spelling of 8243253 in words is "eight million, two hundred forty-three thousand, two hundred fifty-three".