171209483 has 2 divisors, whose sum is σ = 171209484. Its totient is φ = 171209482.

The previous prime is 171209477. The next prime is 171209491. The reversal of 171209483 is 384902171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 171209483 - 2¹⁰ = 171208459 is a prime.

It is not a weakly prime, because it can be changed into another prime (171209413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85604741 + 85604742.

It is an arithmetic number, because the mean of its divisors is an integer number (85604742).

Almost surely, 2^171209483 is an apocalyptic number.

171209483 is a deficient number, since it is larger than the sum of its proper divisors (1).

171209483 is an equidigital number, since it uses as much as digits as its factorization.

171209483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 171209483 is about 13084.7041617302. The cubic root of 171209483 is about 555.2764718359.

The spelling of 171209483 in words is "one hundred seventy-one million, two hundred nine thousand, four hundred eighty-three".