47211285 has 16 divisors (see below), whose sum is σ = 82405440. Its totient is φ = 22890240.

The previous prime is 47211271. The next prime is 47211293. The reversal of 47211285 is 58211274.

It is not a de Polignac number, because 47211285 - 2⁵ = 47211253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142900 + ... + 143229.

It is an arithmetic number, because the mean of its divisors is an integer number (5150340).

Almost surely, 2^47211285 is an apocalyptic number.

It is an amenable number.

47211285 is a deficient number, since it is larger than the sum of its proper divisors (35194155).

47211285 is a wasteful number, since it uses less digits than its factorization.

47211285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286148.

The product of its digits is 4480, while the sum is 30.

The square root of 47211285 is about 6871.0468634699. The cubic root of 47211285 is about 361.4225733258.

It can be divided in two parts, 4721 and 1285, that added together give a palindrome (6006).

The spelling of 47211285 in words is "forty-seven million, two hundred eleven thousand, two hundred eighty-five".