131496577 has 2 divisors, whose sum is σ = 131496578. Its totient is φ = 131496576.

The previous prime is 131496571. The next prime is 131496583. The reversal of 131496577 is 775694131.

It is a balanced prime because it is at equal distance from previous prime (131496571) and next prime (131496583).

It can be written as a sum of positive squares in only one way, i.e., 130965136 + 531441 = 11444^2 + 729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131496577 is a prime.

It is not a weakly prime, because it can be changed into another prime (131496571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65748288 + 65748289.

It is an arithmetic number, because the mean of its divisors is an integer number (65748289).

Almost surely, 2^131496577 is an apocalyptic number.

It is an amenable number.

131496577 is a deficient number, since it is larger than the sum of its proper divisors (1).

131496577 is an equidigital number, since it uses as much as digits as its factorization.

131496577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 131496577 is about 11467.1956903159. The cubic root of 131496577 is about 508.5162268938.

The spelling of 131496577 in words is "one hundred thirty-one million, four hundred ninety-six thousand, five hundred seventy-seven".