85021325 has 24 divisors (see below), whose sum is σ = 107963328. Its totient is φ = 66401280.

The previous prime is 85021319. The next prime is 85021351. The reversal of 85021325 is 52312058.

It is not a de Polignac number, because 85021325 - 2¹⁰ = 85020301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85021294 and 85021303.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 323144 + ... + 323406.

It is an arithmetic number, because the mean of its divisors is an integer number (4498472).

Almost surely, 2^85021325 is an apocalyptic number.

It is an amenable number.

85021325 is a deficient number, since it is larger than the sum of its proper divisors (22942003).

85021325 is a wasteful number, since it uses less digits than its factorization.

85021325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 85021325 is about 9220.7008952682. The cubic root of 85021325 is about 439.7197337071.

The spelling of 85021325 in words is "eighty-five million, twenty-one thousand, three hundred twenty-five".