532391 has 2 divisors, whose sum is σ = 532392. Its totient is φ = 532390.

The previous prime is 532379. The next prime is 532403. The reversal of 532391 is 193235.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (532379) and next prime (532403).

It is a cyclic number.

It is not a de Polignac number, because 532391 - 2⁶ = 532327 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266195 + 266196.

It is an arithmetic number, because the mean of its divisors is an integer number (266196).

2⁵³²³⁹¹ is an apocalyptic number.

532391 is a deficient number, since it is larger than the sum of its proper divisors (1).

532391 is an equidigital number, since it uses as much as digits as its factorization.

532391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 23.

The square root of 532391 is about 729.6512865746. The cubic root of 532391 is about 81.0482362694.

The spelling of 532391 in words is "five hundred thirty-two thousand, three hundred ninety-one".