85008425 has 24 divisors (see below), whose sum is σ = 112027800. Its totient is φ = 63866880.

The previous prime is 85008421. The next prime is 85008433. The reversal of 85008425 is 52480058.

It can be written as a sum of positive squares in 12 ways, for example, as 1157776 + 83850649 = 1076^2 + 9157^2 .

It is not a de Polignac number, because 85008425 - 2² = 85008421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85008391 and 85008400.

It is not an unprimeable number, because it can be changed into a prime (85008421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25241 + ... + 28409.

It is an arithmetic number, because the mean of its divisors is an integer number (4667825).

Almost surely, 2^85008425 is an apocalyptic number.

It is an amenable number.

85008425 is a deficient number, since it is larger than the sum of its proper divisors (27019375).

85008425 is a wasteful number, since it uses less digits than its factorization.

85008425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245 (or 3240 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 85008425 is about 9220.0013557483. The cubic root of 85008425 is about 439.6974935163.

It can be divided in two parts, 850084 and 25, that multiplied together give a square (21252100 = 4610²).

The spelling of 85008425 in words is "eighty-five million, eight thousand, four hundred twenty-five".