162251 has 2 divisors, whose sum is σ = 162252. Its totient is φ = 162250.

The previous prime is 162229. The next prime is 162257. The reversal of 162251 is 152261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162251 is a prime.

It is a Sophie Germain prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 162251.

It is not a weakly prime, because it can be changed into another prime (162257) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81125 + 81126.

It is an arithmetic number, because the mean of its divisors is an integer number (81126).

2¹⁶²²⁵¹ is an apocalyptic number.

162251 is a deficient number, since it is larger than the sum of its proper divisors (1).

162251 is an equidigital number, since it uses as much as digits as its factorization.

162251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 17.

The square root of 162251 is about 402.8039225231. The cubic root of 162251 is about 54.5417574093.

The spelling of 162251 in words is "one hundred sixty-two thousand, two hundred fifty-one".