89281513 has 8 divisors (see below), whose sum is σ = 94233600. Its totient is φ = 84354768.

The previous prime is 89281499. The next prime is 89281531. The reversal of 89281513 is 31518298.

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

It is a cyclic number.

It is not a de Polignac number, because 89281513 - 2⁹ = 89281001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89281553) 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, 1143 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (11779200).

Almost surely, 2^89281513 is an apocalyptic number.

It is an amenable number.

89281513 is a deficient number, since it is larger than the sum of its proper divisors (4952087).

89281513 is a wasteful number, since it uses less digits than its factorization.

89281513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12671.

The product of its digits is 17280, while the sum is 37.

The square root of 89281513 is about 9448.8895114717. The cubic root of 89281513 is about 446.9447570892.

The spelling of 89281513 in words is "eighty-nine million, two hundred eighty-one thousand, five hundred thirteen".