170461 has 4 divisors (see below), whose sum is σ = 171292. Its totient is φ = 169632.

The previous prime is 170447. The next prime is 170473. The reversal of 170461 is 164071.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 122500 + 47961 = 350^2 + 219^2 .

It is a cyclic number.

It is not a de Polignac number, because 170461 - 2¹³ = 162269 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170441) 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 in 3 ways as a sum of consecutive naturals, for example, 145 + ... + 601.

It is an arithmetic number, because the mean of its divisors is an integer number (42823).

2¹⁷⁰⁴⁶¹ is an apocalyptic number.

It is an amenable number.

170461 is a deficient number, since it is larger than the sum of its proper divisors (831).

170461 is an equidigital number, since it uses as much as digits as its factorization.

170461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 170461 is about 412.8692286911. The cubic root of 170461 is about 55.4466115383.

The spelling of 170461 in words is "one hundred seventy thousand, four hundred sixty-one".