162974243 has 2 divisors, whose sum is σ = 162974244. Its totient is φ = 162974242.

The previous prime is 162974213. The next prime is 162974261. The reversal of 162974243 is 342479261.

162974243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (342479261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162974243 - 2¹⁰ = 162973219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162974197 and 162974206.

It is not a weakly prime, because it can be changed into another prime (162974213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81487121 + 81487122.

It is an arithmetic number, because the mean of its divisors is an integer number (81487122).

Almost surely, 2^162974243 is an apocalyptic number.

162974243 is a deficient number, since it is larger than the sum of its proper divisors (1).

162974243 is an equidigital number, since it uses as much as digits as its factorization.

162974243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 162974243 is about 12766.1365729809. The cubic root of 162974243 is about 546.2267828019.

The spelling of 162974243 in words is "one hundred sixty-two million, nine hundred seventy-four thousand, two hundred forty-three".