162281029 has 2 divisors, whose sum is σ = 162281030. Its totient is φ = 162281028.

The previous prime is 162281027. The next prime is 162281047. The reversal of 162281029 is 920182261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134212225 + 28068804 = 11585^2 + 5298^2 .

It is a cyclic number.

It is not a de Polignac number, because 162281029 - 2¹ = 162281027 is a prime.

Together with 162281027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162281027) 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, 81140514 + 81140515.

It is an arithmetic number, because the mean of its divisors is an integer number (81140515).

Almost surely, 2^162281029 is an apocalyptic number.

It is an amenable number.

162281029 is a deficient number, since it is larger than the sum of its proper divisors (1).

162281029 is an equidigital number, since it uses as much as digits as its factorization.

162281029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 162281029 is about 12738.9571394208. The cubic root of 162281029 is about 545.4512201809.

The spelling of 162281029 in words is "one hundred sixty-two million, two hundred eighty-one thousand, twenty-nine".