2651291 has 2 divisors, whose sum is σ = 2651292. Its totient is φ = 2651290.

The previous prime is 2651281. The next prime is 2651293. The reversal of 2651291 is 1921562.

2651291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2651291 is a prime.

Together with 2651293, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2651291.

It is not a weakly prime, because it can be changed into another prime (2651293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325645 + 1325646.

It is an arithmetic number, because the mean of its divisors is an integer number (1325646).

2^2651291 is an apocalyptic number.

2651291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651291 is an equidigital number, since it uses as much as digits as its factorization.

2651291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 2651291 is about 1628.2785388256. The cubic root of 2651291 is about 138.4052186823.

The spelling of 2651291 in words is "two million, six hundred fifty-one thousand, two hundred ninety-one".