131425577 has 2 divisors, whose sum is σ = 131425578. Its totient is φ = 131425576.

The previous prime is 131425549. The next prime is 131425597. The reversal of 131425577 is 775524131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128504896 + 2920681 = 11336^2 + 1709^2 .

It is an emirp because it is prime and its reverse (775524131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131425577 - 2⁶ = 131425513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131425597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65712788 + 65712789.

It is an arithmetic number, because the mean of its divisors is an integer number (65712789).

Almost surely, 2^131425577 is an apocalyptic number.

It is an amenable number.

131425577 is a deficient number, since it is larger than the sum of its proper divisors (1).

131425577 is an equidigital number, since it uses as much as digits as its factorization.

131425577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 131425577 is about 11464.0994849138. The cubic root of 131425577 is about 508.4246880036.

The spelling of 131425577 in words is "one hundred thirty-one million, four hundred twenty-five thousand, five hundred seventy-seven".