500243533610531 has 2 divisors, whose sum is σ = 500243533610532. Its totient is φ = 500243533610530.

The previous prime is 500243533610423. The next prime is 500243533610549. The reversal of 500243533610531 is 135016335342005.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500243533610531 is a prime.

It is a super-2 number, since 2×500243533610531² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (500243533610551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250121766805265 + 250121766805266.

It is an arithmetic number, because the mean of its divisors is an integer number (250121766805266).

Almost surely, 2^{500243533610531} is an apocalyptic number.

500243533610531 is a deficient number, since it is larger than the sum of its proper divisors (1).

500243533610531 is an equidigital number, since it uses as much as digits as its factorization.

500243533610531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 500243533610531 its reverse (135016335342005), we get a palindrome (635259868952536).

The spelling of 500243533610531 in words is "five hundred trillion, two hundred forty-three billion, five hundred thirty-three million, six hundred ten thousand, five hundred thirty-one".