8253442 has 8 divisors (see below), whose sum is σ = 12714876. Its totient is φ = 4015152.

The previous prime is 8253431. The next prime is 8253461. The reversal of 8253442 is 2443528.

It can be written as a sum of positive squares in 2 ways, for example, as 8185321 + 68121 = 2861^2 + 261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8253442.

It is an unprimeable number.

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, 55693 + ... + 55840.

Almost surely, 2^8253442 is an apocalyptic number.

8253442 is a deficient number, since it is larger than the sum of its proper divisors (4461434).

8253442 is a wasteful number, since it uses less digits than its factorization.

8253442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111572.

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

The square root of 8253442 is about 2872.8804360780. The cubic root of 8253442 is about 202.0900980294.

The spelling of 8253442 in words is "eight million, two hundred fifty-three thousand, four hundred forty-two".