6553147 has 2 divisors, whose sum is σ = 6553148. Its totient is φ = 6553146.

The previous prime is 6553139. The next prime is 6553187. The reversal of 6553147 is 7413556.

6553147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6553147 - 2³ = 6553139 is a prime.

It is not a weakly prime, because it can be changed into another prime (6553117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276573 + 3276574.

It is an arithmetic number, because the mean of its divisors is an integer number (3276574).

Almost surely, 2^6553147 is an apocalyptic number.

6553147 is a deficient number, since it is larger than the sum of its proper divisors (1).

6553147 is an equidigital number, since it uses as much as digits as its factorization.

6553147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 6553147 is about 2559.9115219085. The cubic root of 6553147 is about 187.1328233623.

The spelling of 6553147 in words is "six million, five hundred fifty-three thousand, one hundred forty-seven".