617270089 has 2 divisors, whose sum is σ = 617270090. Its totient is φ = 617270088.

The previous prime is 617270083. The next prime is 617270107. The reversal of 617270089 is 980072716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404693689 + 212576400 = 20117^2 + 14580^2 .

It is a cyclic number.

It is not a de Polignac number, because 617270089 - 2²⁹ = 80399177 is a prime.

It is not a weakly prime, because it can be changed into another prime (617270083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308635044 + 308635045.

It is an arithmetic number, because the mean of its divisors is an integer number (308635045).

Almost surely, 2^617270089 is an apocalyptic number.

It is an amenable number.

617270089 is a deficient number, since it is larger than the sum of its proper divisors (1).

617270089 is an equidigital number, since it uses as much as digits as its factorization.

617270089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 617270089 is about 24844.9207887649. The cubic root of 617270089 is about 851.4485514612.

The spelling of 617270089 in words is "six hundred seventeen million, two hundred seventy thousand, eighty-nine".