131675501 has 2 divisors, whose sum is σ = 131675502. Its totient is φ = 131675500.

The previous prime is 131675497. The next prime is 131675519. The reversal of 131675501 is 105576131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90060100 + 41615401 = 9490^2 + 6451^2 .

It is an emirp because it is prime and its reverse (105576131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131675501 - 2² = 131675497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131675521) 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, 65837750 + 65837751.

It is an arithmetic number, because the mean of its divisors is an integer number (65837751).

Almost surely, 2^131675501 is an apocalyptic number.

It is an amenable number.

131675501 is a deficient number, since it is larger than the sum of its proper divisors (1).

131675501 is an equidigital number, since it uses as much as digits as its factorization.

131675501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 131675501 is about 11474.9945969486. The cubic root of 131675501 is about 508.7467640005.

The spelling of 131675501 in words is "one hundred thirty-one million, six hundred seventy-five thousand, five hundred one".