131265241 has 2 divisors, whose sum is σ = 131265242. Its totient is φ = 131265240.

The previous prime is 131265227. The next prime is 131265263. The reversal of 131265241 is 142562131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67584841 + 63680400 = 8221^2 + 7980^2 .

It is a cyclic number.

It is not a de Polignac number, because 131265241 - 2¹⁷ = 131134169 is a prime.

It is not a weakly prime, because it can be changed into another prime (131265341) 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, 65632620 + 65632621.

It is an arithmetic number, because the mean of its divisors is an integer number (65632621).

Almost surely, 2^131265241 is an apocalyptic number.

It is an amenable number.

131265241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131265241 is an equidigital number, since it uses as much as digits as its factorization.

131265241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 131265241 is about 11457.1043898535. The cubic root of 131265241 is about 508.2178486262.

The spelling of 131265241 in words is "one hundred thirty-one million, two hundred sixty-five thousand, two hundred forty-one".