532686643 has 2 divisors, whose sum is σ = 532686644. Its totient is φ = 532686642.

The previous prime is 532686631. The next prime is 532686667. The reversal of 532686643 is 346686235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 532686643 - 2⁵ = 532686611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 532686643.

It is not a weakly prime, because it can be changed into another prime (532656643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266343321 + 266343322.

It is an arithmetic number, because the mean of its divisors is an integer number (266343322).

Almost surely, 2^532686643 is an apocalyptic number.

532686643 is a deficient number, since it is larger than the sum of its proper divisors (1).

532686643 is an equidigital number, since it uses as much as digits as its factorization.

532686643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 43.

The square root of 532686643 is about 23080.0052642975. The cubic root of 532686643 is about 810.6323584035.

The spelling of 532686643 in words is "five hundred thirty-two million, six hundred eighty-six thousand, six hundred forty-three".