47582131 has 2 divisors, whose sum is σ = 47582132. Its totient is φ = 47582130.

The previous prime is 47582083. The next prime is 47582149. The reversal of 47582131 is 13128574.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47582131 - 2¹¹ = 47580083 is a prime.

It is a super-2 number, since 2×47582131² = 4528118381002322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47582093 and 47582102.

It is not a weakly prime, because it can be changed into another prime (47582191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23791065 + 23791066.

It is an arithmetic number, because the mean of its divisors is an integer number (23791066).

Almost surely, 2^47582131 is an apocalyptic number.

47582131 is a deficient number, since it is larger than the sum of its proper divisors (1).

47582131 is an equidigital number, since it uses as much as digits as its factorization.

47582131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 47582131 is about 6897.9802116272. The cubic root of 47582131 is about 362.3664345028.

It can be divided in two parts, 4758 and 2131, that added together give a square (6889 = 83²).

The spelling of 47582131 in words is "forty-seven million, five hundred eighty-two thousand, one hundred thirty-one".