172584013 has 8 divisors (see below), whose sum is σ = 197756928. Its totient is φ = 147540624.

The previous prime is 172584007. The next prime is 172584023. The reversal of 172584013 is 310485271.

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

It is not a de Polignac number, because 172584013 - 2²⁵ = 139029581 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 (172584023) 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, 29506 + ... + 34867.

It is an arithmetic number, because the mean of its divisors is an integer number (24719616).

Almost surely, 2^172584013 is an apocalyptic number.

It is an amenable number.

172584013 is a deficient number, since it is larger than the sum of its proper divisors (25172915).

172584013 is an equidigital number, since it uses as much as digits as its factorization.

172584013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64763.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 172584013 is about 13137.1234674871. The cubic root of 172584013 is about 556.7584978043.

The spelling of 172584013 in words is "one hundred seventy-two million, five hundred eighty-four thousand, thirteen".