47575131 has 4 divisors (see below), whose sum is σ = 63433512. Its totient is φ = 31716752.

The previous prime is 47575123. The next prime is 47575133. The reversal of 47575131 is 13157574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47575131 - 2³ = 47575123 is a prime.

It is a super-2 number, since 2×47575131² = 4526786179334322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47575092 and 47575101.

It is not an unprimeable number, because it can be changed into a prime (47575133) 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, 7929186 + ... + 7929191.

It is an arithmetic number, because the mean of its divisors is an integer number (15858378).

Almost surely, 2^47575131 is an apocalyptic number.

47575131 is a deficient number, since it is larger than the sum of its proper divisors (15858381).

47575131 is a wasteful number, since it uses less digits than its factorization.

47575131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858380.

The product of its digits is 14700, while the sum is 33.

The square root of 47575131 is about 6897.4727980616. The cubic root of 47575131 is about 362.3486639001.

The spelling of 47575131 in words is "forty-seven million, five hundred seventy-five thousand, one hundred thirty-one".