131265263 has 2 divisors, whose sum is σ = 131265264. Its totient is φ = 131265262.

The previous prime is 131265241. The next prime is 131265287. The reversal of 131265263 is 362562131.

It is a weak prime.

It is an emirp because it is prime and its reverse (362562131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131265263 - 2¹⁰ = 131264239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131265203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65632631 + 65632632.

It is an arithmetic number, because the mean of its divisors is an integer number (65632632).

Almost surely, 2^131265263 is an apocalyptic number.

131265263 is a deficient number, since it is larger than the sum of its proper divisors (1).

131265263 is an equidigital number, since it uses as much as digits as its factorization.

131265263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 131265263 is about 11457.1053499564. The cubic root of 131265263 is about 508.2178770186.

The spelling of 131265263 in words is "one hundred thirty-one million, two hundred sixty-five thousand, two hundred sixty-three".