531052245943 has 2 divisors, whose sum is σ = 531052245944. Its totient is φ = 531052245942.

The previous prime is 531052245937. The next prime is 531052246007. The reversal of 531052245943 is 349542250135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531052245943 is a prime.

It is a super-2 number, since 2×531052245943² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531052245943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531052245343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265526122971 + 265526122972.

It is an arithmetic number, because the mean of its divisors is an integer number (265526122972).

Almost surely, 2^531052245943 is an apocalyptic number.

531052245943 is a deficient number, since it is larger than the sum of its proper divisors (1).

531052245943 is an equidigital number, since it uses as much as digits as its factorization.

531052245943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 531052245943 in words is "five hundred thirty-one billion, fifty-two million, two hundred forty-five thousand, nine hundred forty-three".