189573005 has 8 divisors (see below), whose sum is σ = 227769624. Its totient is φ = 151470400.

The previous prime is 189572989. The next prime is 189573011. The reversal of 189573005 is 500375981.

It can be written as a sum of positive squares in 4 ways, for example, as 23755876 + 165817129 = 4874^2 + 12877^2 .

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

It is not a de Polignac number, because 189573005 - 2⁴ = 189572989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189573005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18986 + ... + 27195.

It is an arithmetic number, because the mean of its divisors is an integer number (28471203).

Almost surely, 2^189573005 is an apocalyptic number.

It is an amenable number.

189573005 is a deficient number, since it is larger than the sum of its proper divisors (38196619).

189573005 is an equidigital number, since it uses as much as digits as its factorization.

189573005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47007.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 189573005 is about 13768.5513036049. The cubic root of 189573005 is about 574.4587269304.

The spelling of 189573005 in words is "one hundred eighty-nine million, five hundred seventy-three thousand, five".