47085245 has 16 divisors (see below), whose sum is σ = 57827520. Its totient is φ = 36793344.

The previous prime is 47085217. The next prime is 47085251. The reversal of 47085245 is 54258074.

It is not a de Polignac number, because 47085245 - 2²² = 42890941 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56522 + ... + 57348.

It is an arithmetic number, because the mean of its divisors is an integer number (3614220).

Almost surely, 2^47085245 is an apocalyptic number.

It is an amenable number.

47085245 is a deficient number, since it is larger than the sum of its proper divisors (10742275).

47085245 is a wasteful number, since it uses less digits than its factorization.

47085245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 47085245 is about 6861.8689145159. The cubic root of 47085245 is about 361.1006566511.

The spelling of 47085245 in words is "forty-seven million, eighty-five thousand, two hundred forty-five".