210147085 has 16 divisors (see below), whose sum is σ = 257849280. Its totient is φ = 164367360.

The previous prime is 210147083. The next prime is 210147097. The reversal of 210147085 is 580741012.

It is not a de Polignac number, because 210147085 - 2¹ = 210147083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210147083) 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 15 ways as a sum of consecutive naturals, for example, 55090 + ... + 58780.

It is an arithmetic number, because the mean of its divisors is an integer number (16115580).

Almost surely, 2^210147085 is an apocalyptic number.

It is an amenable number.

210147085 is a deficient number, since it is larger than the sum of its proper divisors (47702195).

210147085 is a wasteful number, since it uses less digits than its factorization.

210147085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 210147085 is about 14496.4507725167. The cubic root of 210147085 is about 594.5309345981.

Adding to 210147085 its reverse (580741012), we get a palindrome (790888097).

The spelling of 210147085 in words is "two hundred ten million, one hundred forty-seven thousand, eighty-five".