85456225 has 6 divisors (see below), whose sum is σ = 105965750. Its totient is φ = 68364960.

The previous prime is 85456207. The next prime is 85456253. The reversal of 85456225 is 52265458.

It can be written as a sum of positive squares in 3 ways, for example, as 207936 + 85248289 = 456^2 + 9233^2 .

It is a de Polignac number, because none of the positive numbers 2^k-85456225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1709100 + ... + 1709149.

Almost surely, 2^85456225 is an apocalyptic number.

It is an amenable number.

85456225 is a deficient number, since it is larger than the sum of its proper divisors (20509525).

85456225 is a wasteful number, since it uses less digits than its factorization.

85456225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418259 (or 3418254 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The square root of 85456225 is about 9244.2536204931. The cubic root of 85456225 is about 440.4682085536.

The spelling of 85456225 in words is "eighty-five million, four hundred fifty-six thousand, two hundred twenty-five".