532087489 has 2 divisors, whose sum is σ = 532087490. Its totient is φ = 532087488.

The previous prime is 532087487. The next prime is 532087513. The reversal of 532087489 is 984780235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388878400 + 143209089 = 19720^2 + 11967^2 .

It is a cyclic number.

It is not a de Polignac number, because 532087489 - 2¹ = 532087487 is a prime.

Together with 532087487, it forms a pair of twin primes.

It is equal to p_27954559 and since 532087489 and 27954559 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (532087481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266043744 + 266043745.

It is an arithmetic number, because the mean of its divisors is an integer number (266043745).

Almost surely, 2^532087489 is an apocalyptic number.

It is an amenable number.

532087489 is a deficient number, since it is larger than the sum of its proper divisors (1).

532087489 is an equidigital number, since it uses as much as digits as its factorization.

532087489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 532087489 is about 23067.0216759772. The cubic root of 532087489 is about 810.3283173446.

The spelling of 532087489 in words is "five hundred thirty-two million, eighty-seven thousand, four hundred eighty-nine".