85221325 has 48 divisors (see below), whose sum is σ = 130277376. Its totient is φ = 54014400.

The previous prime is 85221319. The next prime is 85221337. The reversal of 85221325 is 52312258.

It is not a de Polignac number, because 85221325 - 2⁷ = 85221197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85221293 and 85221302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124434 + ... + 125116.

It is an arithmetic number, because the mean of its divisors is an integer number (2714112).

Almost surely, 2^85221325 is an apocalyptic number.

It is an amenable number.

85221325 is a deficient number, since it is larger than the sum of its proper divisors (45056051).

85221325 is a wasteful number, since it uses less digits than its factorization.

85221325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 749 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 85221325 is about 9231.5396873978. The cubic root of 85221325 is about 440.0642554232.

The spelling of 85221325 in words is "eighty-five million, two hundred twenty-one thousand, three hundred twenty-five".