171361073 has 8 divisors (see below), whose sum is σ = 186446568. Its totient is φ = 156547584.

The previous prime is 171361067. The next prime is 171361079. The reversal of 171361073 is 370163171.

It is an interprime number because it is at equal distance from previous prime (171361067) and next prime (171361079).

It can be written as a sum of positive squares in 4 ways, for example, as 719104 + 170641969 = 848^2 + 13063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171361073 - 2¹⁴ = 171344689 is a prime.

It is a super-2 number, since 2×171361073² = 58729234679422658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (171361079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66686 + ... + 69207.

It is an arithmetic number, because the mean of its divisors is an integer number (23305821).

Almost surely, 2^171361073 is an apocalyptic number.

171361073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

171361073 is a deficient number, since it is larger than the sum of its proper divisors (15085495).

171361073 is a wasteful number, since it uses less digits than its factorization.

171361073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136003.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 171361073 is about 13090.4955215607. The cubic root of 171361073 is about 555.4403053033.

The spelling of 171361073 in words is "one hundred seventy-one million, three hundred sixty-one thousand, seventy-three".