162829421 has 2 divisors, whose sum is σ = 162829422. Its totient is φ = 162829420.

The previous prime is 162829361. The next prime is 162829441. The reversal of 162829421 is 124928261.

162829421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133518025 + 29311396 = 11555^2 + 5414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162829421 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162829441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81414710 + 81414711.

It is an arithmetic number, because the mean of its divisors is an integer number (81414711).

Almost surely, 2^162829421 is an apocalyptic number.

It is an amenable number.

162829421 is a deficient number, since it is larger than the sum of its proper divisors (1).

162829421 is an equidigital number, since it uses as much as digits as its factorization.

162829421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 162829421 is about 12760.4631969220. The cubic root of 162829421 is about 546.0649390306.

The spelling of 162829421 in words is "one hundred sixty-two million, eight hundred twenty-nine thousand, four hundred twenty-one".