162642313 has 2 divisors, whose sum is σ = 162642314. Its totient is φ = 162642312.

The previous prime is 162642307. The next prime is 162642323. The reversal of 162642313 is 313246261.

162642313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90782784 + 71859529 = 9528^2 + 8477^2 .

It is an emirp because it is prime and its reverse (313246261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162642313 is a prime.

It is not a weakly prime, because it can be changed into another prime (162642323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81321156 + 81321157.

It is an arithmetic number, because the mean of its divisors is an integer number (81321157).

Almost surely, 2^162642313 is an apocalyptic number.

It is an amenable number.

162642313 is a deficient number, since it is larger than the sum of its proper divisors (1).

162642313 is an equidigital number, since it uses as much as digits as its factorization.

162642313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 162642313 is about 12753.1295374900. The cubic root of 162642313 is about 545.8556969931.

Adding to 162642313 its reverse (313246261), we get a palindrome (475888574).

The spelling of 162642313 in words is "one hundred sixty-two million, six hundred forty-two thousand, three hundred thirteen".