532806389 has 2 divisors, whose sum is σ = 532806390. Its totient is φ = 532806388.

The previous prime is 532806383. The next prime is 532806409. The reversal of 532806389 is 983608235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409374289 + 123432100 = 20233^2 + 11110^2 .

It is a cyclic number.

It is not a de Polignac number, because 532806389 - 2²⁸ = 264370933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532806383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266403194 + 266403195.

It is an arithmetic number, because the mean of its divisors is an integer number (266403195).

Almost surely, 2^532806389 is an apocalyptic number.

It is an amenable number.

532806389 is a deficient number, since it is larger than the sum of its proper divisors (1).

532806389 is an equidigital number, since it uses as much as digits as its factorization.

532806389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 532806389 is about 23082.5992687132. The cubic root of 532806389 is about 810.6930962444.

The spelling of 532806389 in words is "five hundred thirty-two million, eight hundred six thousand, three hundred eighty-nine".