581339047 has 2 divisors, whose sum is σ = 581339048. Its totient is φ = 581339046.

The previous prime is 581339027. The next prime is 581339131. The reversal of 581339047 is 740933185.

581339047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-581339047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (581339027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290669523 + 290669524.

It is an arithmetic number, because the mean of its divisors is an integer number (290669524).

Almost surely, 2^581339047 is an apocalyptic number.

581339047 is a deficient number, since it is larger than the sum of its proper divisors (1).

581339047 is an equidigital number, since it uses as much as digits as its factorization.

581339047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 581339047 is about 24110.9735805089. The cubic root of 581339047 is about 834.5963827957.

The spelling of 581339047 in words is "five hundred eighty-one million, three hundred thirty-nine thousand, forty-seven".