171461 has 4 divisors (see below), whose sum is σ = 177024. Its totient is φ = 165900.

The previous prime is 171449. The next prime is 171467. The reversal of 171461 is 164171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735 + ... + 2796.

It is an arithmetic number, because the mean of its divisors is an integer number (44256).

2¹⁷¹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

171461 is a deficient number, since it is larger than the sum of its proper divisors (5563).

171461 is an equidigital number, since it uses as much as digits as its factorization.

171461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562.

The product of its digits is 168, while the sum is 20.

The square root of 171461 is about 414.0784949741. The cubic root of 171461 is about 55.5548250274.

The spelling of 171461 in words is "one hundred seventy-one thousand, four hundred sixty-one".