502500085631 has 2 divisors, whose sum is σ = 502500085632. Its totient is φ = 502500085630.

The previous prime is 502500085597. The next prime is 502500085643. The reversal of 502500085631 is 136580005205.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502500085631 is a prime.

It is a super-2 number, since 2×502500085631² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 502500085591 and 502500085600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502500085831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251250042815 + 251250042816.

It is an arithmetic number, because the mean of its divisors is an integer number (251250042816).

Almost surely, 2^502500085631 is an apocalyptic number.

502500085631 is a deficient number, since it is larger than the sum of its proper divisors (1).

502500085631 is an equidigital number, since it uses as much as digits as its factorization.

502500085631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 502500085631 in words is "five hundred two billion, five hundred million, eighty-five thousand, six hundred thirty-one".