532297309 has 2 divisors, whose sum is σ = 532297310. Its totient is φ = 532297308.

The previous prime is 532297307. The next prime is 532297313. The reversal of 532297309 is 903792235.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503104900 + 29192409 = 22430^2 + 5403^2 .

It is a cyclic number.

It is not a de Polignac number, because 532297309 - 2¹ = 532297307 is a prime.

Together with 532297307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532297307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266148654 + 266148655.

It is an arithmetic number, because the mean of its divisors is an integer number (266148655).

Almost surely, 2^532297309 is an apocalyptic number.

It is an amenable number.

532297309 is a deficient number, since it is larger than the sum of its proper divisors (1).

532297309 is an equidigital number, since it uses as much as digits as its factorization.

532297309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 532297309 is about 23071.5692790933. The cubic root of 532297309 is about 810.4348165873.

The spelling of 532297309 in words is "five hundred thirty-two million, two hundred ninety-seven thousand, three hundred nine".