162439241 has 2 divisors, whose sum is σ = 162439242. Its totient is φ = 162439240.

The previous prime is 162439231. The next prime is 162439273. The reversal of 162439241 is 142934261.

It is an a-pointer prime, because the next prime (162439273) can be obtained adding 162439241 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153264400 + 9174841 = 12380^2 + 3029^2 .

It is an emirp because it is prime and its reverse (142934261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162439241 - 2¹⁸ = 162177097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162439198 and 162439207.

It is not a weakly prime, because it can be changed into another prime (162439231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81219620 + 81219621.

It is an arithmetic number, because the mean of its divisors is an integer number (81219621).

Almost surely, 2^162439241 is an apocalyptic number.

It is an amenable number.

162439241 is a deficient number, since it is larger than the sum of its proper divisors (1).

162439241 is an equidigital number, since it uses as much as digits as its factorization.

162439241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 162439241 is about 12745.1653971222. The cubic root of 162439241 is about 545.6284208058.

The spelling of 162439241 in words is "one hundred sixty-two million, four hundred thirty-nine thousand, two hundred forty-one".