161427283 has 2 divisors, whose sum is σ = 161427284. Its totient is φ = 161427282.

The previous prime is 161427197. The next prime is 161427319. The reversal of 161427283 is 382724161.

It is a strong prime.

It is an emirp because it is prime and its reverse (382724161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161427283 - 2¹⁷ = 161296211 is a prime.

It is not a weakly prime, because it can be changed into another prime (161427083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80713641 + 80713642.

It is an arithmetic number, because the mean of its divisors is an integer number (80713642).

Almost surely, 2^161427283 is an apocalyptic number.

161427283 is a deficient number, since it is larger than the sum of its proper divisors (1).

161427283 is an equidigital number, since it uses as much as digits as its factorization.

161427283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 161427283 is about 12705.4036929174. The cubic root of 161427283 is about 544.4930144816.

The spelling of 161427283 in words is "one hundred sixty-one million, four hundred twenty-seven thousand, two hundred eighty-three".