47725113 has 4 divisors (see below), whose sum is σ = 63633488. Its totient is φ = 31816740.

The previous prime is 47725109. The next prime is 47725121. The reversal of 47725113 is 31152774.

47725113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47725113 - 2² = 47725109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47725123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7954183 + ... + 7954188.

It is an arithmetic number, because the mean of its divisors is an integer number (15908372).

Almost surely, 2^47725113 is an apocalyptic number.

It is an amenable number.

47725113 is a deficient number, since it is larger than the sum of its proper divisors (15908375).

47725113 is a wasteful number, since it uses less digits than its factorization.

47725113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15908374.

The product of its digits is 5880, while the sum is 30.

The square root of 47725113 is about 6908.3364857251. The cubic root of 47725113 is about 362.7290360756.

Adding to 47725113 its reverse (31152774), we get a palindrome (78877887).

The spelling of 47725113 in words is "forty-seven million, seven hundred twenty-five thousand, one hundred thirteen".