266314369 has 2 divisors, whose sum is σ = 266314370. Its totient is φ = 266314368.

The previous prime is 266314343. The next prime is 266314387. The reversal of 266314369 is 963413662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258019969 + 8294400 = 16063^2 + 2880^2 .

It is a cyclic number.

It is not a de Polignac number, because 266314369 - 2¹³ = 266306177 is a prime.

It is a super-2 number, since 2×266314369² = 141846686271736322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (266314669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133157184 + 133157185.

It is an arithmetic number, because the mean of its divisors is an integer number (133157185).

Almost surely, 2^266314369 is an apocalyptic number.

It is an amenable number.

266314369 is a deficient number, since it is larger than the sum of its proper divisors (1).

266314369 is an equidigital number, since it uses as much as digits as its factorization.

266314369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 266314369 is about 16319.1411845109. The cubic root of 266314369 is about 643.3760151076.

The spelling of 266314369 in words is "two hundred sixty-six million, three hundred fourteen thousand, three hundred sixty-nine".