266461373 has 2 divisors, whose sum is σ = 266461374. Its totient is φ = 266461372.

The previous prime is 266461361. The next prime is 266461381. The reversal of 266461373 is 373164662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145395364 + 121066009 = 12058^2 + 11003^2 .

It is a cyclic number.

It is not a de Polignac number, because 266461373 - 2¹⁰ = 266460349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266461303) 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, 133230686 + 133230687.

It is an arithmetic number, because the mean of its divisors is an integer number (133230687).

Almost surely, 2^266461373 is an apocalyptic number.

It is an amenable number.

266461373 is a deficient number, since it is larger than the sum of its proper divisors (1).

266461373 is an equidigital number, since it uses as much as digits as its factorization.

266461373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 266461373 is about 16323.6445991696. The cubic root of 266461373 is about 643.4943732859.

The spelling of 266461373 in words is "two hundred sixty-six million, four hundred sixty-one thousand, three hundred seventy-three".