162974213 has 2 divisors, whose sum is σ = 162974214. Its totient is φ = 162974212.

The previous prime is 162974197. The next prime is 162974243. The reversal of 162974213 is 312479261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162231169 + 743044 = 12737^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 162974213 - 2⁴ = 162974197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162974243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81487106 + 81487107.

It is an arithmetic number, because the mean of its divisors is an integer number (81487107).

Almost surely, 2^162974213 is an apocalyptic number.

It is an amenable number.

162974213 is a deficient number, since it is larger than the sum of its proper divisors (1).

162974213 is an equidigital number, since it uses as much as digits as its factorization.

162974213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 162974213 is about 12766.1353979973. The cubic root of 162974213 is about 546.2267492857.

The spelling of 162974213 in words is "one hundred sixty-two million, nine hundred seventy-four thousand, two hundred thirteen".