175081 has 2 divisors, whose sum is σ = 175082. Its totient is φ = 175080.

The previous prime is 175079. The next prime is 175103. The reversal of 175081 is 180571.

It is an a-pointer prime, because the next prime (175103) can be obtained adding 175081 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173056 + 2025 = 416^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 175081 - 2¹ = 175079 is a prime.

It is a super-2 number, since 2×175081² = 61306713122, which contains 22 as substring.

Together with 175079, it forms a pair of twin primes.

It is an Ulam number.

175081 is a lucky number.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (175061) 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, 87540 + 87541.

It is an arithmetic number, because the mean of its divisors is an integer number (87541).

2¹⁷⁵⁰⁸¹ is an apocalyptic number.

It is an amenable number.

175081 is a deficient number, since it is larger than the sum of its proper divisors (1).

175081 is an equidigital number, since it uses as much as digits as its factorization.

175081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 175081 is about 418.4268155843. The cubic root of 175081 is about 55.9430756591.

The spelling of 175081 in words is "one hundred seventy-five thousand, eighty-one".