2521440041 has 2 divisors, whose sum is σ = 2521440042. Its totient is φ = 2521440040.

The previous prime is 2521440037. The next prime is 2521440071. The reversal of 2521440041 is 1400441252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2346433600 + 175006441 = 48440^2 + 13229^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521440041 - 2² = 2521440037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2521439989 and 2521440016.

It is not a weakly prime, because it can be changed into another prime (2521440071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260720020 + 1260720021.

It is an arithmetic number, because the mean of its divisors is an integer number (1260720021).

Almost surely, 2^2521440041 is an apocalyptic number.

It is an amenable number.

2521440041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521440041 is an equidigital number, since it uses as much as digits as its factorization.

2521440041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2521440041 is about 50213.9426952316. The cubic root of 2521440041 is about 1361.0775847207.

Adding to 2521440041 its reverse (1400441252), we get a palindrome (3921881293).

The spelling of 2521440041 in words is "two billion, five hundred twenty-one million, four hundred forty thousand, forty-one".