6385261 has 2 divisors, whose sum is σ = 6385262. Its totient is φ = 6385260.

The previous prime is 6385259. The next prime is 6385271. The reversal of 6385261 is 1625836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 2869636 = 1875^2 + 1694^2 .

It is a cyclic number.

It is not a de Polignac number, because 6385261 - 2¹ = 6385259 is a prime.

Together with 6385259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6385231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3192630 + 3192631.

It is an arithmetic number, because the mean of its divisors is an integer number (3192631).

Almost surely, 2^6385261 is an apocalyptic number.

It is an amenable number.

6385261 is a deficient number, since it is larger than the sum of its proper divisors (1).

6385261 is an equidigital number, since it uses as much as digits as its factorization.

6385261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 6385261 is about 2526.9073983825. The cubic root of 6385261 is about 185.5209180064.

The spelling of 6385261 in words is "six million, three hundred eighty-five thousand, two hundred sixty-one".