47485185 has 16 divisors (see below), whose sum is σ = 82883520. Its totient is φ = 23023040.

The previous prime is 47485183. The next prime is 47485187. The reversal of 47485185 is 58158474.

It is an interprime number because it is at equal distance from previous prime (47485183) and next prime (47485187).

It is not a de Polignac number, because 47485185 - 2¹ = 47485183 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47485183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143730 + ... + 144059.

It is an arithmetic number, because the mean of its divisors is an integer number (5180220).

Almost surely, 2^47485185 is an apocalyptic number.

It is an amenable number.

47485185 is a deficient number, since it is larger than the sum of its proper divisors (35398335).

47485185 is a wasteful number, since it uses less digits than its factorization.

47485185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287808.

The product of its digits is 179200, while the sum is 42.

The square root of 47485185 is about 6890.9494991619. The cubic root of 47485185 is about 362.1201665507.

Subtracting 47485185 from its reverse (58158474), we obtain a square (10673289 = 3267²).

The spelling of 47485185 in words is "forty-seven million, four hundred eighty-five thousand, one hundred eighty-five".