266420041 has 2 divisors, whose sum is σ = 266420042. Its totient is φ = 266420040.

The previous prime is 266419999. The next prime is 266420053. The reversal of 266420041 is 140024662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265201225 + 1218816 = 16285^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 266420041 - 2¹⁵ = 266387273 is a prime.

It is equal to p_14527141 and since 266420041 and 14527141 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 266419988 and 266420015.

It is not a weakly prime, because it can be changed into another prime (266420741) 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, 133210020 + 133210021.

It is an arithmetic number, because the mean of its divisors is an integer number (133210021).

Almost surely, 2^266420041 is an apocalyptic number.

It is an amenable number.

266420041 is a deficient number, since it is larger than the sum of its proper divisors (1).

266420041 is an equidigital number, since it uses as much as digits as its factorization.

266420041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 266420041 is about 16322.3785337799. The cubic root of 266420041 is about 643.4610998143.

The spelling of 266420041 in words is "two hundred sixty-six million, four hundred twenty thousand, forty-one".