266202413 has 2 divisors, whose sum is σ = 266202414. Its totient is φ = 266202412.

The previous prime is 266202403. The next prime is 266202421. The reversal of 266202413 is 314202662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255424324 + 10778089 = 15982^2 + 3283^2 .

It is a cyclic number.

It is not a de Polignac number, because 266202413 - 2¹⁰ = 266201389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266202403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133101206 + 133101207.

It is an arithmetic number, because the mean of its divisors is an integer number (133101207).

Almost surely, 2^266202413 is an apocalyptic number.

It is an amenable number.

266202413 is a deficient number, since it is larger than the sum of its proper divisors (1).

266202413 is an equidigital number, since it uses as much as digits as its factorization.

266202413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 266202413 is about 16315.7106189096. The cubic root of 266202413 is about 643.2858461075.

The spelling of 266202413 in words is "two hundred sixty-six million, two hundred two thousand, four hundred thirteen".