85321345 has 8 divisors (see below), whose sum is σ = 102479400. Its totient is φ = 68194560.

The previous prime is 85321333. The next prime is 85321349. The reversal of 85321345 is 54312358.

It can be written as a sum of positive squares in 4 ways, for example, as 52591504 + 32729841 = 7252^2 + 5721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-85321345 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85321349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (12809925).

Almost surely, 2^85321345 is an apocalyptic number.

It is an amenable number.

85321345 is a deficient number, since it is larger than the sum of its proper divisors (17158055).

85321345 is a wasteful number, since it uses less digits than its factorization.

85321345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15635.

The product of its digits is 14400, while the sum is 31.

The square root of 85321345 is about 9236.9553966662. The cubic root of 85321345 is about 440.2363485722.

The spelling of 85321345 in words is "eighty-five million, three hundred twenty-one thousand, three hundred forty-five".