500425531 has 2 divisors, whose sum is σ = 500425532. Its totient is φ = 500425530.

The previous prime is 500425493. The next prime is 500425543. The reversal of 500425531 is 135524005.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500425531 is a prime.

It is a super-2 number, since 2×500425531² = 500851424153263922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500425496 and 500425505.

It is not a weakly prime, because it can be changed into another prime (500425561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250212765 + 250212766.

It is an arithmetic number, because the mean of its divisors is an integer number (250212766).

Almost surely, 2^500425531 is an apocalyptic number.

500425531 is a deficient number, since it is larger than the sum of its proper divisors (1).

500425531 is an equidigital number, since it uses as much as digits as its factorization.

500425531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 500425531 is about 22370.1929137860. The cubic root of 500425531 is about 793.9256249241.

Adding to 500425531 its reverse (135524005), we get a palindrome (635949536).

The spelling of 500425531 in words is "five hundred million, four hundred twenty-five thousand, five hundred thirty-one".