352870085 has 4 divisors (see below), whose sum is σ = 423444108. Its totient is φ = 282296064.

The previous prime is 352870043. The next prime is 352870087. The reversal of 352870085 is 580078253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197767969 + 155102116 = 14063^2 + 12454^2 .

It is a cyclic number.

It is not a de Polignac number, because 352870085 - 2¹⁰ = 352869061 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 (352870087) 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 3 ways as a sum of consecutive naturals, for example, 35287004 + ... + 35287013.

It is an arithmetic number, because the mean of its divisors is an integer number (105861027).

Almost surely, 2^352870085 is an apocalyptic number.

It is an amenable number.

352870085 is a deficient number, since it is larger than the sum of its proper divisors (70574023).

352870085 is an equidigital number, since it uses as much as digits as its factorization.

352870085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70574022.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 352870085 is about 18784.8365710219. The cubic root of 352870085 is about 706.6509503397.

The spelling of 352870085 in words is "three hundred fifty-two million, eight hundred seventy thousand, eighty-five".