852581005 has 8 divisors (see below), whose sum is σ = 1058376600. Its totient is φ = 658545216.

The previous prime is 852580999. The next prime is 852581017. The reversal of 852581005 is 500185258.

It is a happy number.

852581005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30669444 + 821911561 = 5538^2 + 28669^2 .

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 852581005 - 2¹³ = 852572813 is a prime.

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, 2939790 + ... + 2940079.

It is an arithmetic number, because the mean of its divisors is an integer number (132297075).

Almost surely, 2^852581005 is an apocalyptic number.

It is an amenable number.

852581005 is a deficient number, since it is larger than the sum of its proper divisors (205795595).

852581005 is a wasteful number, since it uses less digits than its factorization.

852581005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879903.

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 852581005 is about 29198.9897941692. The cubic root of 852581005 is about 948.2260542806.

The spelling of 852581005 in words is "eight hundred fifty-two million, five hundred eighty-one thousand, five".