2666507 has 2 divisors, whose sum is σ = 2666508. Its totient is φ = 2666506.

The previous prime is 2666491. The next prime is 2666513. The reversal of 2666507 is 7056662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2666507 - 2⁴ = 2666491 is a prime.

It is a super-2 number, since 2×2666507² = 14220519162098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2666537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333253 + 1333254.

It is an arithmetic number, because the mean of its divisors is an integer number (1333254).

2^2666507 is an apocalyptic number.

2666507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666507 is an equidigital number, since it uses as much as digits as its factorization.

2666507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2666507 is about 1632.9442733909. The cubic root of 2666507 is about 138.6694871478.

The spelling of 2666507 in words is "two million, six hundred sixty-six thousand, five hundred seven".