266246131 has 2 divisors, whose sum is σ = 266246132. Its totient is φ = 266246130.

The previous prime is 266246119. The next prime is 266246159. The reversal of 266246131 is 131642662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266246131 is a prime.

It is a super-2 number, since 2×266246131² = 141774004544938322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266246093 and 266246102.

It is not a weakly prime, because it can be changed into another prime (266246161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133123065 + 133123066.

It is an arithmetic number, because the mean of its divisors is an integer number (133123066).

Almost surely, 2^266246131 is an apocalyptic number.

266246131 is a deficient number, since it is larger than the sum of its proper divisors (1).

266246131 is an equidigital number, since it uses as much as digits as its factorization.

266246131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 266246131 is about 16317.0503155442. The cubic root of 266246131 is about 643.3210594513.

Adding to 266246131 its reverse (131642662), we get a palindrome (397888793).

The spelling of 266246131 in words is "two hundred sixty-six million, two hundred forty-six thousand, one hundred thirty-one".