47925117 has 6 divisors (see below), whose sum is σ = 69225182. Its totient is φ = 31950072.

The previous prime is 47925109. The next prime is 47925127. The reversal of 47925117 is 71152974.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44876601 + 3048516 = 6699^2 + 1746^2 .

It is not a de Polignac number, because 47925117 - 2³ = 47925109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47925127) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2662498 + ... + 2662515.

Almost surely, 2^47925117 is an apocalyptic number.

It is an amenable number.

47925117 is a deficient number, since it is larger than the sum of its proper divisors (21300065).

47925117 is a wasteful number, since it uses less digits than its factorization.

47925117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325019 (or 5325016 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 47925117 is about 6922.7969058755. The cubic root of 47925117 is about 363.2350320904.

The spelling of 47925117 in words is "forty-seven million, nine hundred twenty-five thousand, one hundred seventeen".