85321501 has 8 divisors (see below), whose sum is σ = 86699520. Its totient is φ = 83951088.

The previous prime is 85321499. The next prime is 85321529. The reversal of 85321501 is 10512358.

It is a happy number.

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

It is not a de Polignac number, because 85321501 - 2¹ = 85321499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85321531) 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, 23340 + ... + 26746.

It is an arithmetic number, because the mean of its divisors is an integer number (10837440).

Almost surely, 2^85321501 is an apocalyptic number.

It is an amenable number.

85321501 is a deficient number, since it is larger than the sum of its proper divisors (1378019).

85321501 is a wasteful number, since it uses less digits than its factorization.

85321501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 85321501 is about 9236.9638410032. The cubic root of 85321501 is about 440.2366168788.

Adding to 85321501 its reverse (10512358), we get a palindrome (95833859).

The spelling of 85321501 in words is "eighty-five million, three hundred twenty-one thousand, five hundred one".