8525442 has 16 divisors (see below), whose sum is σ = 17088192. Its totient is φ = 2835600.

The previous prime is 8525431. The next prime is 8525459. The reversal of 8525442 is 2445258.

It is a super-2 number, since 2×8525442² = 145366322590728, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8³ + 5 + 2¹⁷ + 5³ + 4⁵ + 4⁶ + 2²³ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067 + ... + 4617.

It is an arithmetic number, because the mean of its divisors is an integer number (1068012).

Almost surely, 2^8525442 is an apocalyptic number.

8525442 is an abundant number, since it is smaller than the sum of its proper divisors (8562750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8525442 is a wasteful number, since it uses less digits than its factorization.

8525442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113.

The product of its digits is 12800, while the sum is 30.

The square root of 8525442 is about 2919.8359542961. The cubic root of 8525442 is about 204.2861708445.

The spelling of 8525442 in words is "eight million, five hundred twenty-five thousand, four hundred forty-two".