17379997 has 2 divisors, whose sum is σ = 17379998. Its totient is φ = 17379996.

The previous prime is 17379991. The next prime is 17380007. The reversal of 17379997 is 79997371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13111641 + 4268356 = 3621^2 + 2066^2 .

It is an emirp because it is prime and its reverse (79997371) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17379997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17379991) 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, 8689998 + 8689999.

It is an arithmetic number, because the mean of its divisors is an integer number (8689999).

Almost surely, 2^17379997 is an apocalyptic number.

It is an amenable number.

17379997 is a deficient number, since it is larger than the sum of its proper divisors (1).

17379997 is an equidigital number, since it uses as much as digits as its factorization.

17379997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 750141, while the sum is 52.

The square root of 17379997 is about 4168.9323573308. The cubic root of 17379997 is about 259.0299006937.

The spelling of 17379997 in words is "seventeen million, three hundred seventy-nine thousand, nine hundred ninety-seven".