162055213 has 2 divisors, whose sum is σ = 162055214. Its totient is φ = 162055212.

The previous prime is 162055193. The next prime is 162055331. The reversal of 162055213 is 312550261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101868649 + 60186564 = 10093^2 + 7758^2 .

It is an emirp because it is prime and its reverse (312550261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162055213 - 2⁵ = 162055181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162055613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81027606 + 81027607.

It is an arithmetic number, because the mean of its divisors is an integer number (81027607).

Almost surely, 2^162055213 is an apocalyptic number.

It is an amenable number.

162055213 is a deficient number, since it is larger than the sum of its proper divisors (1).

162055213 is an equidigital number, since it uses as much as digits as its factorization.

162055213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 162055213 is about 12730.0908480655. The cubic root of 162055213 is about 545.1981020987.

The spelling of 162055213 in words is "one hundred sixty-two million, fifty-five thousand, two hundred thirteen".