17020427 has 2 divisors, whose sum is σ = 17020428. Its totient is φ = 17020426.

The previous prime is 17020397. The next prime is 17020429. The reversal of 17020427 is 72402071.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17020427 - 2¹⁶ = 16954891 is a prime.

Together with 17020429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17020429) 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, 8510213 + 8510214.

It is an arithmetic number, because the mean of its divisors is an integer number (8510214).

Almost surely, 2^17020427 is an apocalyptic number.

17020427 is a deficient number, since it is larger than the sum of its proper divisors (1).

17020427 is an equidigital number, since it uses as much as digits as its factorization.

17020427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 17020427 is about 4125.5820195458. The cubic root of 17020427 is about 257.2311052342.

Adding to 17020427 its reverse (72402071), we get a palindrome (89422498).

The spelling of 17020427 in words is "seventeen million, twenty thousand, four hundred twenty-seven".