17145983 has 2 divisors, whose sum is σ = 17145984. Its totient is φ = 17145982.

The previous prime is 17145967. The next prime is 17146009. The reversal of 17145983 is 38954171.

It is a weak prime.

It is an emirp because it is prime and its reverse (38954171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17145983 - 2⁴ = 17145967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17145943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8572991 + 8572992.

It is an arithmetic number, because the mean of its divisors is an integer number (8572992).

Almost surely, 2^17145983 is an apocalyptic number.

17145983 is a deficient number, since it is larger than the sum of its proper divisors (1).

17145983 is an equidigital number, since it uses as much as digits as its factorization.

17145983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 17145983 is about 4140.7708219606. The cubic root of 17145983 is about 257.8620689727.

The spelling of 17145983 in words is "seventeen million, one hundred forty-five thousand, nine hundred eighty-three".