6513361 has 2 divisors, whose sum is σ = 6513362. Its totient is φ = 6513360.

The previous prime is 6513341. The next prime is 6513373. The reversal of 6513361 is 1633156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5973136 + 540225 = 2444^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 6513361 - 2¹⁷ = 6382289 is a prime.

It is not a weakly prime, because it can be changed into another prime (6513341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3256680 + 3256681.

It is an arithmetic number, because the mean of its divisors is an integer number (3256681).

Almost surely, 2^6513361 is an apocalyptic number.

It is an amenable number.

6513361 is a deficient number, since it is larger than the sum of its proper divisors (1).

6513361 is an equidigital number, since it uses as much as digits as its factorization.

6513361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 6513361 is about 2552.1287193243. The cubic root of 6513361 is about 186.7533423295.

The spelling of 6513361 in words is "six million, five hundred thirteen thousand, three hundred sixty-one".