47489825 has 12 divisors (see below), whose sum is σ = 61448448. Its totient is φ = 36339600.

The previous prime is 47489809. The next prime is 47489839. The reversal of 47489825 is 52898474.

It is a happy number.

It is not a de Polignac number, because 47489825 - 2⁴ = 47489809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47489825.

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 11 ways as a sum of consecutive naturals, for example, 40721 + ... + 41870.

It is an arithmetic number, because the mean of its divisors is an integer number (5120704).

Almost surely, 2^47489825 is an apocalyptic number.

It is an amenable number.

47489825 is a deficient number, since it is larger than the sum of its proper divisors (13958623).

47489825 is a wasteful number, since it uses less digits than its factorization.

47489825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82624 (or 82619 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 47489825 is about 6891.2861644253. The cubic root of 47489825 is about 362.1319609862.

The spelling of 47489825 in words is "forty-seven million, four hundred eighty-nine thousand, eight hundred twenty-five".