581479141 has 2 divisors, whose sum is σ = 581479142. Its totient is φ = 581479140.

The previous prime is 581479099. The next prime is 581479163. The reversal of 581479141 is 141974185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580569025 + 910116 = 24095^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 581479141 - 2⁹ = 581478629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 581479094 and 581479103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (581479541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290739570 + 290739571.

It is an arithmetic number, because the mean of its divisors is an integer number (290739571).

Almost surely, 2^581479141 is an apocalyptic number.

It is an amenable number.

581479141 is a deficient number, since it is larger than the sum of its proper divisors (1).

581479141 is an equidigital number, since it uses as much as digits as its factorization.

581479141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 40.

The square root of 581479141 is about 24113.8785971896. The cubic root of 581479141 is about 834.6634191521.

The spelling of 581479141 in words is "five hundred eighty-one million, four hundred seventy-nine thousand, one hundred forty-one".