266252141 has 2 divisors, whose sum is σ = 266252142. Its totient is φ = 266252140.

The previous prime is 266252101. The next prime is 266252167. The reversal of 266252141 is 141252662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218005225 + 48246916 = 14765^2 + 6946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266252141 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 (266252101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133126070 + 133126071.

It is an arithmetic number, because the mean of its divisors is an integer number (133126071).

Almost surely, 2^266252141 is an apocalyptic number.

It is an amenable number.

266252141 is a deficient number, since it is larger than the sum of its proper divisors (1).

266252141 is an equidigital number, since it uses as much as digits as its factorization.

266252141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 266252141 is about 16317.2344776926. The cubic root of 266252141 is about 643.3258999979.

The spelling of 266252141 in words is "two hundred sixty-six million, two hundred fifty-two thousand, one hundred forty-one".