240232589 has 2 divisors, whose sum is σ = 240232590. Its totient is φ = 240232588.

The previous prime is 240232583. The next prime is 240232591. The reversal of 240232589 is 985232042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194128489 + 46104100 = 13933^2 + 6790^2 .

It is a cyclic number.

It is not a de Polignac number, because 240232589 - 2²⁰ = 239184013 is a prime.

Together with 240232591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240232583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120116294 + 120116295.

It is an arithmetic number, because the mean of its divisors is an integer number (120116295).

Almost surely, 2^240232589 is an apocalyptic number.

It is an amenable number.

240232589 is a deficient number, since it is larger than the sum of its proper divisors (1).

240232589 is an equidigital number, since it uses as much as digits as its factorization.

240232589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 240232589 is about 15499.4383446627. The cubic root of 240232589 is about 621.6471886250.

The spelling of 240232589 in words is "two hundred forty million, two hundred thirty-two thousand, five hundred eighty-nine".