4055147 has 2 divisors, whose sum is σ = 4055148. Its totient is φ = 4055146.

The previous prime is 4055143. The next prime is 4055159. The reversal of 4055147 is 7415504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4055147 - 2² = 4055143 is a prime.

It is not a weakly prime, because it can be changed into another prime (4055143) 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, 2027573 + 2027574.

It is an arithmetic number, because the mean of its divisors is an integer number (2027574).

Almost surely, 2^4055147 is an apocalyptic number.

4055147 is a deficient number, since it is larger than the sum of its proper divisors (1).

4055147 is an equidigital number, since it uses as much as digits as its factorization.

4055147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 4055147 is about 2013.7395561492. The cubic root of 4055147 is about 159.4662815291.

The spelling of 4055147 in words is "four million, fifty-five thousand, one hundred forty-seven".