47085331 has 2 divisors, whose sum is σ = 47085332. Its totient is φ = 47085330.

The previous prime is 47085329. The next prime is 47085397. The reversal of 47085331 is 13358074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47085331 - 2¹ = 47085329 is a prime.

It is a super-2 number, since 2×47085331² = 4434056790759122, which contains 22 as substring.

Together with 47085329, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2836444 and since 47085331 and 2836444 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 47085293 and 47085302.

It is not a weakly prime, because it can be changed into another prime (47085131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23542665 + 23542666.

It is an arithmetic number, because the mean of its divisors is an integer number (23542666).

Almost surely, 2^47085331 is an apocalyptic number.

47085331 is a deficient number, since it is larger than the sum of its proper divisors (1).

47085331 is an equidigital number, since it uses as much as digits as its factorization.

47085331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 47085331 is about 6861.8751810274. The cubic root of 47085331 is about 361.1008764980.

The spelling of 47085331 in words is "forty-seven million, eighty-five thousand, three hundred thirty-one".