89520317 has 4 divisors (see below), whose sum is σ = 94786236. Its totient is φ = 84254400.

The previous prime is 89520313. The next prime is 89520323. The reversal of 89520317 is 71302598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71302598 = 2 ⋅35651299.

It can be written as a sum of positive squares in 2 ways, for example, as 73085401 + 16434916 = 8549^2 + 4054^2 .

It is a cyclic number.

It is not a de Polignac number, because 89520317 - 2² = 89520313 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 (89520313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632934 + ... + 2632967.

It is an arithmetic number, because the mean of its divisors is an integer number (23696559).

Almost surely, 2^89520317 is an apocalyptic number.

It is an amenable number.

89520317 is a deficient number, since it is larger than the sum of its proper divisors (5265919).

89520317 is a wasteful number, since it uses less digits than its factorization.

89520317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265918.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 89520317 is about 9461.5176900960. The cubic root of 89520317 is about 447.3428879504.

It can be divided in two parts, 895 and 20317, that added together give a palindrome (21212).

The spelling of 89520317 in words is "eighty-nine million, five hundred twenty thousand, three hundred seventeen".