2405147 has 2 divisors, whose sum is σ = 2405148. Its totient is φ = 2405146.

The previous prime is 2405141. The next prime is 2405149. The reversal of 2405147 is 7415042.

2405147 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 a cyclic number.

It is not a de Polignac number, because 2405147 - 2⁸ = 2404891 is a prime.

Together with 2405149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2405141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202573 + 1202574.

It is an arithmetic number, because the mean of its divisors is an integer number (1202574).

2^2405147 is an apocalyptic number.

2405147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405147 is an equidigital number, since it uses as much as digits as its factorization.

2405147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2405147 is about 1550.8536359051. The cubic root of 2405147 is about 133.9822319948.

It can be divided in two parts, 2405 and 147, that added together give a palindrome (2552).

The spelling of 2405147 in words is "two million, four hundred five thousand, one hundred forty-seven".