173401401 has 4 divisors (see below), whose sum is σ = 231201872. Its totient is φ = 115600932.

The previous prime is 173401399. The next prime is 173401409. The reversal of 173401401 is 104104371.

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 not a de Polignac number, because 173401401 - 2¹ = 173401399 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (173401409) 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, 28900231 + ... + 28900236.

It is an arithmetic number, because the mean of its divisors is an integer number (57800468).

Almost surely, 2^173401401 is an apocalyptic number.

It is an amenable number.

173401401 is a deficient number, since it is larger than the sum of its proper divisors (57800471).

173401401 is an equidigital number, since it uses as much as digits as its factorization.

173401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57800470.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 173401401 is about 13168.1965735631. The cubic root of 173401401 is about 557.6360822597.

Adding to 173401401 its reverse (104104371), we get a palindrome (277505772).

The spelling of 173401401 in words is "one hundred seventy-three million, four hundred one thousand, four hundred one".