162232261 has 2 divisors, whose sum is σ = 162232262. Its totient is φ = 162232260.

The previous prime is 162232219. The next prime is 162232303.

162232261 is nontrivially palindromic in base 10.

It is a balanced prime because it is at equal distance from previous prime (162232219) and next prime (162232303).

It can be written as a sum of positive squares in only one way, i.e., 156400036 + 5832225 = 12506^2 + 2415^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 162232261 - 2⁹ = 162231749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162232201) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81116130 + 81116131.

It is an arithmetic number, because the mean of its divisors is an integer number (81116131).

Almost surely, 2^162232261 is an apocalyptic number.

It is an amenable number.

162232261 is a deficient number, since it is larger than the sum of its proper divisors (1).

162232261 is an equidigital number, since it uses as much as digits as its factorization.

162232261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 162232261 is about 12737.0428671650. The cubic root of 162232261 is about 545.3965758183.

The spelling of 162232261 in words is "one hundred sixty-two million, two hundred thirty-two thousand, two hundred sixty-one".