47581249 has 24 divisors (see below), whose sum is σ = 53756928. Its totient is φ = 42040320.

The previous prime is 47581241. The next prime is 47581253. The reversal of 47581249 is 94218574.

It is not a de Polignac number, because 47581249 - 2³ = 47581241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47581241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421017 + ... + 421129.

It is an arithmetic number, because the mean of its divisors is an integer number (2239872).

Almost surely, 2^47581249 is an apocalyptic number.

It is an amenable number.

47581249 is a deficient number, since it is larger than the sum of its proper divisors (6175679).

47581249 is a wasteful number, since it uses less digits than its factorization.

47581249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 208 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 47581249 is about 6897.9162795731. The cubic root of 47581249 is about 362.3641955029.

The spelling of 47581249 in words is "forty-seven million, five hundred eighty-one thousand, two hundred forty-nine".