2505041350321 has 2 divisors, whose sum is σ = 2505041350322. Its totient is φ = 2505041350320.

The previous prime is 2505041350309. The next prime is 2505041350349. The reversal of 2505041350321 is 1230531405052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1665919397025 + 839121953296 = 1290705^2 + 916036^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505041350321 - 2¹¹ = 2505041348273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505041350391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252520675160 + 1252520675161.

It is an arithmetic number, because the mean of its divisors is an integer number (1252520675161).

Almost surely, 2^{2505041350321} is an apocalyptic number.

It is an amenable number.

2505041350321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505041350321 is an equidigital number, since it uses as much as digits as its factorization.

2505041350321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 2505041350321 its reverse (1230531405052), we get a palindrome (3735572755373).

The spelling of 2505041350321 in words is "two trillion, five hundred five billion, forty-one million, three hundred fifty thousand, three hundred twenty-one".