17258000861 has 2 divisors, whose sum is σ = 17258000862. Its totient is φ = 17258000860.

The previous prime is 17258000723. The next prime is 17258000863. The reversal of 17258000861 is 16800085271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13439996761 + 3818004100 = 115931^2 + 61790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17258000861 is a prime.

Together with 17258000863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17258000863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8629000430 + 8629000431.

It is an arithmetic number, because the mean of its divisors is an integer number (8629000431).

Almost surely, 2^17258000861 is an apocalyptic number.

It is an amenable number.

17258000861 is a deficient number, since it is larger than the sum of its proper divisors (1).

17258000861 is an equidigital number, since it uses as much as digits as its factorization.

17258000861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 17258000861 in words is "seventeen billion, two hundred fifty-eight million, eight hundred sixty-one", and thus it is an aban number.