8442533 has 8 divisors (see below), whose sum is σ = 9287616. Its totient is φ = 7673820.

The previous prime is 8442521. The next prime is 8442559. The reversal of 8442533 is 3352448.

It is not a de Polignac number, because 8442533 - 2¹⁴ = 8426149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8442496 and 8442505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8412533) 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, 1841 + ... + 4502.

It is an arithmetic number, because the mean of its divisors is an integer number (1160952).

Almost surely, 2^8442533 is an apocalyptic number.

It is an amenable number.

8442533 is a deficient number, since it is larger than the sum of its proper divisors (845083).

8442533 is an equidigital number, since it uses as much as digits as its factorization.

8442533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376 (or 6354 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 8442533 is about 2905.6037238412. The cubic root of 8442533 is about 203.6217922027.

The spelling of 8442533 in words is "eight million, four hundred forty-two thousand, five hundred thirty-three".