289706713 has 2 divisors, whose sum is σ = 289706714. Its totient is φ = 289706712.

The previous prime is 289706701. The next prime is 289706717. The reversal of 289706713 is 317607982.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215884249 + 73822464 = 14693^2 + 8592^2 .

It is a cyclic number.

It is not a de Polignac number, because 289706713 - 2¹⁷ = 289575641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 289706713.

It is not a weakly prime, because it can be changed into another prime (289706717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144853356 + 144853357.

It is an arithmetic number, because the mean of its divisors is an integer number (144853357).

Almost surely, 2^289706713 is an apocalyptic number.

It is an amenable number.

289706713 is a deficient number, since it is larger than the sum of its proper divisors (1).

289706713 is an equidigital number, since it uses as much as digits as its factorization.

289706713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 289706713 is about 17020.7729847971. The cubic root of 289706713 is about 661.6873818684.

The spelling of 289706713 in words is "two hundred eighty-nine million, seven hundred six thousand, seven hundred thirteen".