2667289 has 2 divisors, whose sum is σ = 2667290. Its totient is φ = 2667288.

The previous prime is 2667263. The next prime is 2667307. The reversal of 2667289 is 9827662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 1016064 = 1285^2 + 1008^2 .

It is a cyclic number.

It is not a de Polignac number, because 2667289 - 2¹¹ = 2665241 is a prime.

It is a super-2 number, since 2×2667289² = 14228861219042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2667689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333644 + 1333645.

It is an arithmetic number, because the mean of its divisors is an integer number (1333645).

2^2667289 is an apocalyptic number.

It is an amenable number.

2667289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2667289 is an equidigital number, since it uses as much as digits as its factorization.

2667289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 2667289 is about 1633.1837006289. The cubic root of 2667289 is about 138.6830415769.

The spelling of 2667289 in words is "two million, six hundred sixty-seven thousand, two hundred eighty-nine".