2789551 has 2 divisors, whose sum is σ = 2789552. Its totient is φ = 2789550.

The previous prime is 2789503. The next prime is 2789573. The reversal of 2789551 is 1559872.

2789551 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 not a de Polignac number, because 2789551 - 2¹¹ = 2787503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2789551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2789251) 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, 1394775 + 1394776.

It is an arithmetic number, because the mean of its divisors is an integer number (1394776).

2^2789551 is an apocalyptic number.

2789551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2789551 is an equidigital number, since it uses as much as digits as its factorization.

2789551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 37.

The square root of 2789551 is about 1670.1948988067. The cubic root of 2789551 is about 140.7704293692.

The spelling of 2789551 in words is "two million, seven hundred eighty-nine thousand, five hundred fifty-one".