4865647 has 2 divisors, whose sum is σ = 4865648. Its totient is φ = 4865646.

The previous prime is 4865629. The next prime is 4865657. The reversal of 4865647 is 7465684.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4865647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4865657) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2432823 + 2432824.

It is an arithmetic number, because the mean of its divisors is an integer number (2432824).

Almost surely, 2^4865647 is an apocalyptic number.

4865647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4865647 is an equidigital number, since it uses as much as digits as its factorization.

4865647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 4865647 is about 2205.8211622885. The cubic root of 4865647 is about 169.4520651196.

The spelling of 4865647 in words is "four million, eight hundred sixty-five thousand, six hundred forty-seven".