85625442 has 36 divisors (see below), whose sum is σ = 215813286. Its totient is φ = 24464160.

The previous prime is 85625347. The next prime is 85625471. The reversal of 85625442 is 24452658.

It is a happy number.

85625442 is a `hidden beast` number, since 8 + 562 + 54 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53714241 + 31911201 = 7329^2 + 5649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85625397 and 85625406.

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 17 ways as a sum of consecutive naturals, for example, 47659 + ... + 49422.

Almost surely, 2^85625442 is an apocalyptic number.

85625442 is an abundant number, since it is smaller than the sum of its proper divisors (130187844).

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

85625442 is a wasteful number, since it uses less digits than its factorization.

85625442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97103 (or 97093 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 85625442 is about 9253.4016448007. The cubic root of 85625442 is about 440.7587493774.

The spelling of 85625442 in words is "eighty-five million, six hundred twenty-five thousand, four hundred forty-two".