173252401 has 4 divisors (see below), whose sum is σ = 198002752. Its totient is φ = 148502052.

The previous prime is 173252381. The next prime is 173252413. The reversal of 173252401 is 104252371.

It is a happy number.

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 not a de Polignac number, because 173252401 - 2⁵ = 173252369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173252701) 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, 12375165 + ... + 12375178.

It is an arithmetic number, because the mean of its divisors is an integer number (49500688).

Almost surely, 2^173252401 is an apocalyptic number.

It is an amenable number.

173252401 is a deficient number, since it is larger than the sum of its proper divisors (24750351).

173252401 is an equidigital number, since it uses as much as digits as its factorization.

173252401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24750350.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 173252401 is about 13162.5377872202. The cubic root of 173252401 is about 557.4763150267.

The spelling of 173252401 in words is "one hundred seventy-three million, two hundred fifty-two thousand, four hundred one".