131332577 has 2 divisors, whose sum is σ = 131332578. Its totient is φ = 131332576.

The previous prime is 131332571. The next prime is 131332613. The reversal of 131332577 is 775233131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87030241 + 44302336 = 9329^2 + 6656^2 .

It is a cyclic number.

It is not a de Polignac number, because 131332577 - 2¹⁴ = 131316193 is a prime.

It is not a weakly prime, because it can be changed into another prime (131332571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666288 + 65666289.

It is an arithmetic number, because the mean of its divisors is an integer number (65666289).

Almost surely, 2^131332577 is an apocalyptic number.

It is an amenable number.

131332577 is a deficient number, since it is larger than the sum of its proper divisors (1).

131332577 is an equidigital number, since it uses as much as digits as its factorization.

131332577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 32.

The square root of 131332577 is about 11460.0426264478. The cubic root of 131332577 is about 508.3047350629.

The spelling of 131332577 in words is "one hundred thirty-one million, three hundred thirty-two thousand, five hundred seventy-seven".