17145379 has 2 divisors, whose sum is σ = 17145380. Its totient is φ = 17145378.

The previous prime is 17145371. The next prime is 17145397. The reversal of 17145379 is 97354171.

Together with next prime (17145397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17145379 - 2³ = 17145371 is a prime.

It is not a weakly prime, because it can be changed into another prime (17145371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8572689 + 8572690.

It is an arithmetic number, because the mean of its divisors is an integer number (8572690).

Almost surely, 2^17145379 is an apocalyptic number.

17145379 is a deficient number, since it is larger than the sum of its proper divisors (1).

17145379 is an equidigital number, since it uses as much as digits as its factorization.

17145379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 17145379 is about 4140.6978880377. The cubic root of 17145379 is about 257.8590410425.

The spelling of 17145379 in words is "seventeen million, one hundred forty-five thousand, three hundred seventy-nine".