406066547 has 2 divisors, whose sum is σ = 406066548. Its totient is φ = 406066546.

The previous prime is 406066543. The next prime is 406066559. The reversal of 406066547 is 745660604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406066547 - 2² = 406066543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406066547.

It is not a weakly prime, because it can be changed into another prime (406066543) 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, 203033273 + 203033274.

It is an arithmetic number, because the mean of its divisors is an integer number (203033274).

Almost surely, 2^406066547 is an apocalyptic number.

406066547 is a deficient number, since it is larger than the sum of its proper divisors (1).

406066547 is an equidigital number, since it uses as much as digits as its factorization.

406066547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 406066547 is about 20151.0929480264. The cubic root of 406066547 is about 740.5125174876.

It can be divided in two parts, 4060 and 66547, that added together give a palindrome (70607).

The spelling of 406066547 in words is "four hundred six million, sixty-six thousand, five hundred forty-seven".