89571017 has 2 divisors, whose sum is σ = 89571018. Its totient is φ = 89571016.

The previous prime is 89570983. The next prime is 89571023. The reversal of 89571017 is 71017598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89567296 + 3721 = 9464^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 89571017 - 2⁶ = 89570953 is a prime.

It is not a weakly prime, because it can be changed into another prime (89571037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44785508 + 44785509.

It is an arithmetic number, because the mean of its divisors is an integer number (44785509).

Almost surely, 2^89571017 is an apocalyptic number.

It is an amenable number.

89571017 is a deficient number, since it is larger than the sum of its proper divisors (1).

89571017 is an equidigital number, since it uses as much as digits as its factorization.

89571017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 89571017 is about 9464.1965850251. The cubic root of 89571017 is about 447.4273231745.

The spelling of 89571017 in words is "eighty-nine million, five hundred seventy-one thousand, seventeen".