131532523 has 2 divisors, whose sum is σ = 131532524. Its totient is φ = 131532522.

The previous prime is 131532509. The next prime is 131532529. The reversal of 131532523 is 325235131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131532523 - 2¹³ = 131524331 is a prime.

It is not a weakly prime, because it can be changed into another prime (131532529) 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, 65766261 + 65766262.

It is an arithmetic number, because the mean of its divisors is an integer number (65766262).

Almost surely, 2^131532523 is an apocalyptic number.

131532523 is a deficient number, since it is larger than the sum of its proper divisors (1).

131532523 is an equidigital number, since it uses as much as digits as its factorization.

131532523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 131532523 is about 11468.7629236984. The cubic root of 131532523 is about 508.5625587942.

Adding to 131532523 its reverse (325235131), we get a palindrome (456767654).

The spelling of 131532523 in words is "one hundred thirty-one million, five hundred thirty-two thousand, five hundred twenty-three".