6503525131 has 2 divisors, whose sum is σ = 6503525132. Its totient is φ = 6503525130.

The previous prime is 6503525129. The next prime is 6503525141. The reversal of 6503525131 is 1315253056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6503525131 - 2¹ = 6503525129 is a prime.

It is a super-2 number, since 2×6503525131² = 84591678259097134322, which contains 22 as substring.

Together with 6503525129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6503525093 and 6503525102.

It is not a weakly prime, because it can be changed into another prime (6503525111) 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, 3251762565 + 3251762566.

It is an arithmetic number, because the mean of its divisors is an integer number (3251762566).

Almost surely, 2^6503525131 is an apocalyptic number.

6503525131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6503525131 is an equidigital number, since it uses as much as digits as its factorization.

6503525131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 6503525131 is about 80644.4364541039. The cubic root of 6503525131 is about 1866.5928915606.

Adding to 6503525131 its reverse (1315253056), we get a palindrome (7818778187).

The spelling of 6503525131 in words is "six billion, five hundred three million, five hundred twenty-five thousand, one hundred thirty-one".