6201647 has 2 divisors, whose sum is σ = 6201648. Its totient is φ = 6201646.

The previous prime is 6201641. The next prime is 6201649. The reversal of 6201647 is 7461026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6201647 - 2¹⁶ = 6136111 is a prime.

Together with 6201649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6201641) 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, 3100823 + 3100824.

It is an arithmetic number, because the mean of its divisors is an integer number (3100824).

Almost surely, 2^6201647 is an apocalyptic number.

6201647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6201647 is an equidigital number, since it uses as much as digits as its factorization.

6201647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 6201647 is about 2490.3106231954. The cubic root of 6201647 is about 183.7253207017.

The spelling of 6201647 in words is "six million, two hundred one thousand, six hundred forty-seven".