162997 has 2 divisors, whose sum is σ = 162998. Its totient is φ = 162996.

The previous prime is 162989. The next prime is 163003. The reversal of 162997 is 799261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108241 + 54756 = 329^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 162997 - 2³ = 162989 is a prime.

162997 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81498 + 81499.

It is an arithmetic number, because the mean of its divisors is an integer number (81499).

2¹⁶²⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

162997 is a deficient number, since it is larger than the sum of its proper divisors (1).

162997 is an equidigital number, since it uses as much as digits as its factorization.

162997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 34.

The square root of 162997 is about 403.7288694161. The cubic root of 162997 is about 54.6252205846.

The spelling of 162997 in words is "one hundred sixty-two thousand, nine hundred ninety-seven".