47485 has 4 divisors (see below), whose sum is σ = 56988. Its totient is φ = 37984.

The previous prime is 47459. The next prime is 47491. The reversal of 47485 is 58474.

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 8281 + 39204 = 91^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 47485 - 2¹³ = 39293 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 4744 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (14247).

2⁴⁷⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

47485 is a deficient number, since it is larger than the sum of its proper divisors (9503).

47485 is an equidigital number, since it uses as much as digits as its factorization.

47485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502.

The product of its digits is 4480, while the sum is 28.

The square root of 47485 is about 217.9105320998. The cubic root of 47485 is about 36.2119696283.

It can be divided in two parts, 4748 and 5, that added together give a triangular number (4753 = T₉₇).

The spelling of 47485 in words is "forty-seven thousand, four hundred eighty-five".