47325209 has 2 divisors, whose sum is σ = 47325210. Its totient is φ = 47325208.

The previous prime is 47325197. The next prime is 47325221. The reversal of 47325209 is 90252374.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (47325197) and next prime (47325221).

It can be written as a sum of positive squares in only one way, i.e., 45265984 + 2059225 = 6728^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 47325209 - 2¹⁶ = 47259673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47325259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23662604 + 23662605.

It is an arithmetic number, because the mean of its divisors is an integer number (23662605).

Almost surely, 2^47325209 is an apocalyptic number.

It is an amenable number.

47325209 is a deficient number, since it is larger than the sum of its proper divisors (1).

47325209 is an equidigital number, since it uses as much as digits as its factorization.

47325209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 47325209 is about 6879.3320169912. The cubic root of 47325209 is about 361.7130521132.

The spelling of 47325209 in words is "forty-seven million, three hundred twenty-five thousand, two hundred nine".