2668357 has 2 divisors, whose sum is σ = 2668358. Its totient is φ = 2668356.

The previous prime is 2668343. The next prime is 2668363. The reversal of 2668357 is 7538662.

2668357 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 can be written as a sum of positive squares in only one way, i.e., 2556801 + 111556 = 1599^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 2668357 - 2⁷ = 2668229 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 6⁶ + 8⁷ + 3⁵ + 5 + 7 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668307) 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, 1334178 + 1334179.

It is an arithmetic number, because the mean of its divisors is an integer number (1334179).

2^2668357 is an apocalyptic number.

It is an amenable number.

2668357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668357 is an equidigital number, since it uses as much as digits as its factorization.

2668357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 2668357 is about 1633.5106366351. The cubic root of 2668357 is about 138.7015489733.

It can be divided in two parts, 2668 and 357, that added together give a square (3025 = 55²).

The spelling of 2668357 in words is "two million, six hundred sixty-eight thousand, three hundred fifty-seven".