2081147 has 2 divisors, whose sum is σ = 2081148. Its totient is φ = 2081146.

The previous prime is 2081129. The next prime is 2081159. The reversal of 2081147 is 7411802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2081147 - 2¹⁴ = 2064763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2081047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040573 + 1040574.

It is an arithmetic number, because the mean of its divisors is an integer number (1040574).

2^2081147 is an apocalyptic number.

2081147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081147 is an equidigital number, since it uses as much as digits as its factorization.

2081147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 2081147 is about 1442.6181060835. The cubic root of 2081147 is about 127.6735455515.

Adding to 2081147 its reverse (7411802), we get a palindrome (9492949).

The spelling of 2081147 in words is "two million, eighty-one thousand, one hundred forty-seven".