267130889 has 2 divisors, whose sum is σ = 267130890. Its totient is φ = 267130888.

The previous prime is 267130879. The next prime is 267130891. The reversal of 267130889 is 988031762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140185600 + 126945289 = 11840^2 + 11267^2 .

It is a cyclic number.

It is not a de Polignac number, because 267130889 - 2¹⁶ = 267065353 is a prime.

Together with 267130891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (267130879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133565444 + 133565445.

It is an arithmetic number, because the mean of its divisors is an integer number (133565445).

Almost surely, 2^267130889 is an apocalyptic number.

It is an amenable number.

267130889 is a deficient number, since it is larger than the sum of its proper divisors (1).

267130889 is an equidigital number, since it uses as much as digits as its factorization.

267130889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 267130889 is about 16344.1392859948. The cubic root of 267130889 is about 644.0328746576.

The spelling of 267130889 in words is "two hundred sixty-seven million, one hundred thirty thousand, eight hundred eighty-nine".