4678651 has 2 divisors, whose sum is σ = 4678652. Its totient is φ = 4678650.

The previous prime is 4678649. The next prime is 4678673. The reversal of 4678651 is 1568764.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4678651 - 2¹ = 4678649 is a prime.

Together with 4678649, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4678651.

It is not a weakly prime, because it can be changed into another prime (4678631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2339325 + 2339326.

It is an arithmetic number, because the mean of its divisors is an integer number (2339326).

Almost surely, 2^4678651 is an apocalyptic number.

4678651 is a deficient number, since it is larger than the sum of its proper divisors (1).

4678651 is an equidigital number, since it uses as much as digits as its factorization.

4678651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 4678651 is about 2163.0189550718. The cubic root of 4678651 is about 167.2528589655.

It can be divided in two parts, 4678 and 651, that added together give a square (5329 = 73²).

The spelling of 4678651 in words is "four million, six hundred seventy-eight thousand, six hundred fifty-one".