2665967 has 2 divisors, whose sum is σ = 2665968. Its totient is φ = 2665966.

The previous prime is 2665939. The next prime is 2665973. The reversal of 2665967 is 7695662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2665967 - 2¹⁰ = 2664943 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2665367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332983 + 1332984.

It is an arithmetic number, because the mean of its divisors is an integer number (1332984).

2^2665967 is an apocalyptic number.

2665967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665967 is an equidigital number, since it uses as much as digits as its factorization.

2665967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 2665967 is about 1632.7789195112. The cubic root of 2665967 is about 138.6601257650.

The spelling of 2665967 in words is "two million, six hundred sixty-five thousand, nine hundred sixty-seven".