2162947 has 2 divisors, whose sum is σ = 2162948. Its totient is φ = 2162946.

The previous prime is 2162929. The next prime is 2162957. The reversal of 2162947 is 7492612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162947 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 6³ + 2²¹ + 9⁵ + 4⁶ + 7⁴ .

2162947 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2162957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081473 + 1081474.

It is an arithmetic number, because the mean of its divisors is an integer number (1081474).

2^2162947 is an apocalyptic number.

2162947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162947 is an equidigital number, since it uses as much as digits as its factorization.

2162947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 2162947 is about 1470.6960936917. The cubic root of 2162947 is about 129.3248428254.

The spelling of 2162947 in words is "two million, one hundred sixty-two thousand, nine hundred forty-seven".