4651291 has 2 divisors, whose sum is σ = 4651292. Its totient is φ = 4651290.

The previous prime is 4651289. The next prime is 4651301. The reversal of 4651291 is 1921564.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4651291 - 2¹ = 4651289 is a prime.

Together with 4651289, it forms a pair of twin primes.

It is a Chen prime.

4651291 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4651201) 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, 2325645 + 2325646.

It is an arithmetic number, because the mean of its divisors is an integer number (2325646).

Almost surely, 2^4651291 is an apocalyptic number.

4651291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4651291 is an equidigital number, since it uses as much as digits as its factorization.

4651291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 4651291 is about 2156.6851879679. The cubic root of 4651291 is about 166.9261987599.

It can be divided in two parts, 465129 and 1, that added together give a triangular number (465130 = T₉₆₄).

The spelling of 4651291 in words is "four million, six hundred fifty-one thousand, two hundred ninety-one".