47205029 has 2 divisors, whose sum is σ = 47205030. Its totient is φ = 47205028.

The previous prime is 47205023. The next prime is 47205043. The reversal of 47205029 is 92050274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 2982529 = 6650^2 + 1727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47205029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47204992 and 47205010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47205023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23602514 + 23602515.

It is an arithmetic number, because the mean of its divisors is an integer number (23602515).

Almost surely, 2^47205029 is an apocalyptic number.

It is an amenable number.

47205029 is a deficient number, since it is larger than the sum of its proper divisors (1).

47205029 is an equidigital number, since it uses as much as digits as its factorization.

47205029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 47205029 is about 6870.5916048038. The cubic root of 47205029 is about 361.4066085023.

The spelling of 47205029 in words is "forty-seven million, two hundred five thousand, twenty-nine".