532878989 has 2 divisors, whose sum is σ = 532878990. Its totient is φ = 532878988.

The previous prime is 532878979. The next prime is 532879001. The reversal of 532878989 is 989878235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528540100 + 4338889 = 22990^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 532878989 - 2¹⁶ = 532813453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532878949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266439494 + 266439495.

It is an arithmetic number, because the mean of its divisors is an integer number (266439495).

Almost surely, 2^532878989 is an apocalyptic number.

It is an amenable number.

532878989 is a deficient number, since it is larger than the sum of its proper divisors (1).

532878989 is an equidigital number, since it uses as much as digits as its factorization.

532878989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 59.

The square root of 532878989 is about 23084.1718283329. The cubic root of 532878989 is about 810.7299161518.

The spelling of 532878989 in words is "five hundred thirty-two million, eight hundred seventy-eight thousand, nine hundred eighty-nine".