8442253 has 8 divisors (see below), whose sum is σ = 8707320. Its totient is φ = 8179200.

The previous prime is 8442229. The next prime is 8442263. The reversal of 8442253 is 3522448.

It can be written as a sum of positive squares in 4 ways, for example, as 4169764 + 4272489 = 2042^2 + 2067^2 .

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 8442253 - 2⁵ = 8442221 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 (8442223) 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, 14553 + ... + 15121.

It is an arithmetic number, because the mean of its divisors is an integer number (1088415).

Almost surely, 2^8442253 is an apocalyptic number.

It is an amenable number.

8442253 is a deficient number, since it is larger than the sum of its proper divisors (265067).

8442253 is a wasteful number, since it uses less digits than its factorization.

8442253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its digits is 7680, while the sum is 28.

The square root of 8442253 is about 2905.5555406841. Note that the first 4 decimals coincide. The cubic root of 8442253 is about 203.6195411116.

The spelling of 8442253 in words is "eight million, four hundred forty-two thousand, two hundred fifty-three".