6455147 has 4 divisors (see below), whose sum is σ = 6467496. Its totient is φ = 6442800.

The previous prime is 6455129. The next prime is 6455153. The reversal of 6455147 is 7415546.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7415546 = 2 ⋅3707773.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6455147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6455167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5354 + ... + 6447.

It is an arithmetic number, because the mean of its divisors is an integer number (1616874).

Almost surely, 2^6455147 is an apocalyptic number.

6455147 is a deficient number, since it is larger than the sum of its proper divisors (12349).

6455147 is a wasteful number, since it uses less digits than its factorization.

6455147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12348.

The product of its digits is 16800, while the sum is 32.

The square root of 6455147 is about 2540.6981324038. The cubic root of 6455147 is about 186.1952991622.

The spelling of 6455147 in words is "six million, four hundred fifty-five thousand, one hundred forty-seven".