47235117 has 4 divisors (see below), whose sum is σ = 62980160. Its totient is φ = 31490076.

The previous prime is 47235109. The next prime is 47235131. The reversal of 47235117 is 71153274.

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 47235117 - 2³ = 47235109 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 (47235317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7872517 + ... + 7872522.

It is an arithmetic number, because the mean of its divisors is an integer number (15745040).

Almost surely, 2^47235117 is an apocalyptic number.

It is an amenable number.

47235117 is a deficient number, since it is larger than the sum of its proper divisors (15745043).

47235117 is a wasteful number, since it uses less digits than its factorization.

47235117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745042.

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

The square root of 47235117 is about 6872.7808782181. The cubic root of 47235117 is about 361.4833778124.

The spelling of 47235117 in words is "forty-seven million, two hundred thirty-five thousand, one hundred seventeen".