532257289 has 2 divisors, whose sum is σ = 532257290. Its totient is φ = 532257288.

The previous prime is 532257287. The next prime is 532257359. The reversal of 532257289 is 982752235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435431689 + 96825600 = 20867^2 + 9840^2 .

It is a cyclic number.

It is not a de Polignac number, because 532257289 - 2¹ = 532257287 is a prime.

Together with 532257287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (532257287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266128644 + 266128645.

It is an arithmetic number, because the mean of its divisors is an integer number (266128645).

Almost surely, 2^532257289 is an apocalyptic number.

It is an amenable number.

532257289 is a deficient number, since it is larger than the sum of its proper divisors (1).

532257289 is an equidigital number, since it uses as much as digits as its factorization.

532257289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The square root of 532257289 is about 23070.7019615789. The cubic root of 532257289 is about 810.4145056234.

The spelling of 532257289 in words is "five hundred thirty-two million, two hundred fifty-seven thousand, two hundred eighty-nine".