6517420141 has 2 divisors, whose sum is σ = 6517420142. Its totient is φ = 6517420140.

The previous prime is 6517420103. The next prime is 6517420171. The reversal of 6517420141 is 1410247156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6514104100 + 3316041 = 80710^2 + 1821^2 .

It is a cyclic number.

It is not a de Polignac number, because 6517420141 - 2¹¹ = 6517418093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6517420171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258710070 + 3258710071.

It is an arithmetic number, because the mean of its divisors is an integer number (3258710071).

Almost surely, 2^6517420141 is an apocalyptic number.

It is an amenable number.

6517420141 is a deficient number, since it is larger than the sum of its proper divisors (1).

6517420141 is an equidigital number, since it uses as much as digits as its factorization.

6517420141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 6517420141 is about 80730.5403239691. The cubic root of 6517420141 is about 1867.9212930544.

Adding to 6517420141 its reverse (1410247156), we get a palindrome (7927667297).

The spelling of 6517420141 in words is "six billion, five hundred seventeen million, four hundred twenty thousand, one hundred forty-one".