650500531 has 2 divisors, whose sum is σ = 650500532. Its totient is φ = 650500530.

The previous prime is 650500519. The next prime is 650500561. The reversal of 650500531 is 135005056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650500531 - 2²³ = 642111923 is a prime.

It is a super-2 number, since 2×650500531² = 846301881662563922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 650500496 and 650500505.

It is not a weakly prime, because it can be changed into another prime (650500561) 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, 325250265 + 325250266.

It is an arithmetic number, because the mean of its divisors is an integer number (325250266).

Almost surely, 2^650500531 is an apocalyptic number.

650500531 is a deficient number, since it is larger than the sum of its proper divisors (1).

650500531 is an equidigital number, since it uses as much as digits as its factorization.

650500531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 650500531 is about 25504.9118994754. The cubic root of 650500531 is about 866.4613967670.

Adding to 650500531 its reverse (135005056), we get a palindrome (785505587).

The spelling of 650500531 in words is "six hundred fifty million, five hundred thousand, five hundred thirty-one".