131527973 has 2 divisors, whose sum is σ = 131527974. Its totient is φ = 131527972.

The previous prime is 131527943. The next prime is 131527987. The reversal of 131527973 is 379725131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94342369 + 37185604 = 9713^2 + 6098^2 .

It is a cyclic number.

It is not a de Polignac number, because 131527973 - 2¹² = 131523877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131527943) 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, 65763986 + 65763987.

It is an arithmetic number, because the mean of its divisors is an integer number (65763987).

Almost surely, 2^131527973 is an apocalyptic number.

It is an amenable number.

131527973 is a deficient number, since it is larger than the sum of its proper divisors (1).

131527973 is an equidigital number, since it uses as much as digits as its factorization.

131527973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 38.

The square root of 131527973 is about 11468.5645570839. The cubic root of 131527973 is about 508.5566946265.

The spelling of 131527973 in words is "one hundred thirty-one million, five hundred twenty-seven thousand, nine hundred seventy-three".