93305081 has 4 divisors (see below), whose sum is σ = 93538164. Its totient is φ = 93072000.

The previous prime is 93305063. The next prime is 93305111. The reversal of 93305081 is 18050339.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88661056 + 4644025 = 9416^2 + 2155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93305081 is a prime.

It is a super-2 number, since 2×93305081² = 17411676280833122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93305021) 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, 115940 + ... + 116741.

It is an arithmetic number, because the mean of its divisors is an integer number (23384541).

Almost surely, 2^93305081 is an apocalyptic number.

It is an amenable number.

93305081 is a deficient number, since it is larger than the sum of its proper divisors (233083).

93305081 is a wasteful number, since it uses less digits than its factorization.

93305081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233082.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 93305081 is about 9659.4555229578. The cubic root of 93305081 is about 453.5603670450.

The spelling of 93305081 in words is "ninety-three million, three hundred five thousand, eighty-one".