266024987 has 2 divisors, whose sum is σ = 266024988. Its totient is φ = 266024986.

The previous prime is 266024977. The next prime is 266024999. The reversal of 266024987 is 789420662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266024987 - 2¹⁰ = 266023963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (266024977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133012493 + 133012494.

It is an arithmetic number, because the mean of its divisors is an integer number (133012494).

Almost surely, 2^266024987 is an apocalyptic number.

266024987 is a deficient number, since it is larger than the sum of its proper divisors (1).

266024987 is an equidigital number, since it uses as much as digits as its factorization.

266024987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 266024987 is about 16310.2724379454. The cubic root of 266024987 is about 643.1428959866.

The spelling of 266024987 in words is "two hundred sixty-six million, twenty-four thousand, nine hundred eighty-seven".