532693891 has 2 divisors, whose sum is σ = 532693892. Its totient is φ = 532693890.

The previous prime is 532693883. The next prime is 532693913. The reversal of 532693891 is 198396235.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 532693891 - 2³ = 532693883 is a prime.

It is not a weakly prime, because it can be changed into another prime (532693841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266346945 + 266346946.

It is an arithmetic number, because the mean of its divisors is an integer number (266346946).

Almost surely, 2^532693891 is an apocalyptic number.

532693891 is a deficient number, since it is larger than the sum of its proper divisors (1).

532693891 is an equidigital number, since it uses as much as digits as its factorization.

532693891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 532693891 is about 23080.1622827917. The cubic root of 532693891 is about 810.6360350095.

The spelling of 532693891 in words is "five hundred thirty-two million, six hundred ninety-three thousand, eight hundred ninety-one".