532423891 has 2 divisors, whose sum is σ = 532423892. Its totient is φ = 532423890.

The previous prime is 532423883. The next prime is 532423919. The reversal of 532423891 is 198324235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 532423891 - 2³ = 532423883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 532423891.

It is not a weakly prime, because it can be changed into another prime (532423831) 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, 266211945 + 266211946.

It is an arithmetic number, because the mean of its divisors is an integer number (266211946).

Almost surely, 2^532423891 is an apocalyptic number.

532423891 is a deficient number, since it is larger than the sum of its proper divisors (1).

532423891 is an equidigital number, since it uses as much as digits as its factorization.

532423891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 532423891 is about 23074.3123624519. The cubic root of 532423891 is about 810.4990528249.

The spelling of 532423891 in words is "five hundred thirty-two million, four hundred twenty-three thousand, eight hundred ninety-one".