47085329 has 2 divisors, whose sum is σ = 47085330. Its totient is φ = 47085328.

The previous prime is 47085323. The next prime is 47085331. The reversal of 47085329 is 92358074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27300625 + 19784704 = 5225^2 + 4448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47085329 is a prime.

Together with 47085331, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47085292 and 47085301.

It is not a weakly prime, because it can be changed into another prime (47085323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23542664 + 23542665.

It is an arithmetic number, because the mean of its divisors is an integer number (23542665).

Almost surely, 2^47085329 is an apocalyptic number.

It is an amenable number.

47085329 is a deficient number, since it is larger than the sum of its proper divisors (1).

47085329 is an equidigital number, since it uses as much as digits as its factorization.

47085329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 47085329 is about 6861.8750352947. The cubic root of 47085329 is about 361.1008713853.

The spelling of 47085329 in words is "forty-seven million, eighty-five thousand, three hundred twenty-nine".