171204413 has 8 divisors (see below), whose sum is σ = 176951040. Its totient is φ = 165471840.

The previous prime is 171204403. The next prime is 171204419. The reversal of 171204413 is 314402171.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171204413 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 (171204419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25073 + ... + 31161.

It is an arithmetic number, because the mean of its divisors is an integer number (22118880).

Almost surely, 2^171204413 is an apocalyptic number.

It is an amenable number.

171204413 is a deficient number, since it is larger than the sum of its proper divisors (5746627).

171204413 is an equidigital number, since it uses as much as digits as its factorization.

171204413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 171204413 is about 13084.5104226333. The cubic root of 171204413 is about 555.2709906764.

Adding to 171204413 its reverse (314402171), we get a palindrome (485606584).

The spelling of 171204413 in words is "one hundred seventy-one million, two hundred four thousand, four hundred thirteen".