6521000341 has 2 divisors, whose sum is σ = 6521000342. Its totient is φ = 6521000340.

The previous prime is 6521000303. The next prime is 6521000377. The reversal of 6521000341 is 1430001256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5936086116 + 584914225 = 77046^2 + 24185^2 .

It is a cyclic number.

It is not a de Polignac number, because 6521000341 - 2¹¹ = 6520998293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6521000441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260500170 + 3260500171.

It is an arithmetic number, because the mean of its divisors is an integer number (3260500171).

Almost surely, 2^6521000341 is an apocalyptic number.

It is an amenable number.

6521000341 is a deficient number, since it is larger than the sum of its proper divisors (1).

6521000341 is an equidigital number, since it uses as much as digits as its factorization.

6521000341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 6521000341 is about 80752.7110442739. The cubic root of 6521000341 is about 1868.2632641356.

Adding to 6521000341 its reverse (1430001256), we get a palindrome (7951001597).

The spelling of 6521000341 in words is "six billion, five hundred twenty-one million, three hundred forty-one", and thus it is an aban number.