170047 has 2 divisors, whose sum is σ = 170048. Its totient is φ = 170046.

The previous prime is 170029. The next prime is 170057. The reversal of 170047 is 740071.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 170047 - 2⁷ = 169919 is a prime.

170047 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85023 + 85024.

It is an arithmetic number, because the mean of its divisors is an integer number (85024).

2¹⁷⁰⁰⁴⁷ is an apocalyptic number.

170047 is a deficient number, since it is larger than the sum of its proper divisors (1).

170047 is an equidigital number, since it uses as much as digits as its factorization.

170047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 170047 is about 412.3675544948. The cubic root of 170047 is about 55.4016872724.

The spelling of 170047 in words is "one hundred seventy thousand, forty-seven", and thus it is an iban number.