2585720041 has 2 divisors, whose sum is σ = 2585720042. Its totient is φ = 2585720040.

The previous prime is 2585720029. The next prime is 2585720057. The reversal of 2585720041 is 1400275852.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1631836816 + 953883225 = 40396^2 + 30885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2585720041 - 2⁹ = 2585719529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2585719979 and 2585720006.

It is not a weakly prime, because it can be changed into another prime (2585720021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292860020 + 1292860021.

It is an arithmetic number, because the mean of its divisors is an integer number (1292860021).

Almost surely, 2^2585720041 is an apocalyptic number.

It is an amenable number.

2585720041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585720041 is an equidigital number, since it uses as much as digits as its factorization.

2585720041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 2585720041 is about 50849.9758210365. The cubic root of 2585720041 is about 1372.5468176018.

Adding to 2585720041 its reverse (1400275852), we get a palindrome (3985995893).

The spelling of 2585720041 in words is "two billion, five hundred eighty-five million, seven hundred twenty thousand, forty-one".