1152332509 has 2 divisors, whose sum is σ = 1152332510. Its totient is φ = 1152332508.

The previous prime is 1152332507. The next prime is 1152332513. The reversal of 1152332509 is 9052332511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006285284 + 146047225 = 31722^2 + 12085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152332509 - 2¹ = 1152332507 is a prime.

It is a super-2 number, since 2×1152332509² = 2655740422596470162, which contains 22 as substring.

Together with 1152332507, 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 (1152332507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576166254 + 576166255.

It is an arithmetic number, because the mean of its divisors is an integer number (576166255).

Almost surely, 2^1152332509 is an apocalyptic number.

It is an amenable number.

1152332509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152332509 is an equidigital number, since it uses as much as digits as its factorization.

1152332509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1152332509 is about 33946.0234637284. The cubic root of 1152332509 is about 1048.3974067892.

The spelling of 1152332509 in words is "one billion, one hundred fifty-two million, three hundred thirty-two thousand, five hundred nine".