172284013 has 8 divisors (see below), whose sum is σ = 190211616. Its totient is φ = 154734000.

The previous prime is 172283987. The next prime is 172284023. The reversal of 172284013 is 310482271.

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-172284013 is a prime.

It is a super-2 number, since 2×172284013² = 59363562270768338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172284023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93438 + ... + 95263.

It is an arithmetic number, because the mean of its divisors is an integer number (23776452).

Almost surely, 2^172284013 is an apocalyptic number.

It is an amenable number.

172284013 is a deficient number, since it is larger than the sum of its proper divisors (17927603).

172284013 is a wasteful number, since it uses less digits than its factorization.

172284013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188795.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 172284013 is about 13125.7004765460. The cubic root of 172284013 is about 556.4357092670.

The spelling of 172284013 in words is "one hundred seventy-two million, two hundred eighty-four thousand, thirteen".