89573081 has 4 divisors (see below), whose sum is σ = 96463332. Its totient is φ = 82682832.

The previous prime is 89573027. The next prime is 89573089. The reversal of 89573081 is 18037598.

It is a happy number.

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 7507600 + 82065481 = 2740^2 + 9059^2 .

It is a cyclic number.

It is not a de Polignac number, because 89573081 - 2¹⁸ = 89310937 is a prime.

It is a super-2 number, since 2×89573081² = 16046673679665122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89573089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3445106 + ... + 3445131.

It is an arithmetic number, because the mean of its divisors is an integer number (24115833).

Almost surely, 2^89573081 is an apocalyptic number.

It is an amenable number.

89573081 is a deficient number, since it is larger than the sum of its proper divisors (6890251).

89573081 is a wasteful number, since it uses less digits than its factorization.

89573081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890250.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 89573081 is about 9464.3056269332. The cubic root of 89573081 is about 447.4307598625.

The spelling of 89573081 in words is "eighty-nine million, five hundred seventy-three thousand, eighty-one".