172417013 has 8 divisors (see below), whose sum is σ = 177145920. Its totient is φ = 167713120.

The previous prime is 172416973. The next prime is 172417019. The reversal of 172417013 is 310714271.

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 not a de Polignac number, because 172417013 - 2⁶ = 172416949 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 (172417019) 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, 8168 + ... + 20286.

It is an arithmetic number, because the mean of its divisors is an integer number (22143240).

Almost surely, 2^172417013 is an apocalyptic number.

It is an amenable number.

172417013 is a deficient number, since it is larger than the sum of its proper divisors (4728907).

172417013 is a wasteful number, since it uses less digits than its factorization.

172417013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12507.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 172417013 is about 13130.7658954076. The cubic root of 172417013 is about 556.5788583855.

The spelling of 172417013 in words is "one hundred seventy-two million, four hundred seventeen thousand, thirteen".