171820483 has 2 divisors, whose sum is σ = 171820484. Its totient is φ = 171820482.

The previous prime is 171820423. The next prime is 171820487. The reversal of 171820483 is 384028171.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171820483 is a prime.

It is not a weakly prime, because it can be changed into another prime (171820487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85910241 + 85910242.

It is an arithmetic number, because the mean of its divisors is an integer number (85910242).

Almost surely, 2^171820483 is an apocalyptic number.

171820483 is a deficient number, since it is larger than the sum of its proper divisors (1).

171820483 is an equidigital number, since it uses as much as digits as its factorization.

171820483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 171820483 is about 13108.0312404266. The cubic root of 171820483 is about 555.9362311058.

It can be divided in two parts, 1718 and 20483, that added together give a square (22201 = 149²).

The spelling of 171820483 in words is "one hundred seventy-one million, eight hundred twenty thousand, four hundred eighty-three".