4649651 has 2 divisors, whose sum is σ = 4649652. Its totient is φ = 4649650.

The previous prime is 4649629. The next prime is 4649677. The reversal of 4649651 is 1569464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4649651 - 2⁶ = 4649587 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4649621) 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, 2324825 + 2324826.

It is an arithmetic number, because the mean of its divisors is an integer number (2324826).

Almost surely, 2^4649651 is an apocalyptic number.

4649651 is a deficient number, since it is larger than the sum of its proper divisors (1).

4649651 is an equidigital number, since it uses as much as digits as its factorization.

4649651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 4649651 is about 2156.3049413290. The cubic root of 4649651 is about 166.9065776019.

The spelling of 4649651 in words is "four million, six hundred forty-nine thousand, six hundred fifty-one".