173801 has 4 divisors (see below), whose sum is σ = 175104. Its totient is φ = 172500.

The previous prime is 173783. The next prime is 173807. The reversal of 173801 is 108371.

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, and also an emirpimes, since its reverse is a distinct semiprime: 108371 = 307 ⋅353.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173807) 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, 425 + ... + 726.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2¹⁷³⁸⁰¹ is an apocalyptic number.

It is an amenable number.

173801 is a deficient number, since it is larger than the sum of its proper divisors (1303).

173801 is a wasteful number, since it uses less digits than its factorization.

173801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

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

The square root of 173801 is about 416.8944710595. The cubic root of 173801 is about 55.8064106234.

The spelling of 173801 in words is "one hundred seventy-three thousand, eight hundred one".