232540459 has 2 divisors, whose sum is σ = 232540460. Its totient is φ = 232540458.

The previous prime is 232540457. The next prime is 232540507. The reversal of 232540459 is 954045232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232540459 - 2¹ = 232540457 is a prime.

Together with 232540457, it forms a pair of twin primes.

It is equal to p_12774517 and since 232540459 and 12774517 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (232540457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116270229 + 116270230.

It is an arithmetic number, because the mean of its divisors is an integer number (116270230).

Almost surely, 2^232540459 is an apocalyptic number.

232540459 is a deficient number, since it is larger than the sum of its proper divisors (1).

232540459 is an equidigital number, since it uses as much as digits as its factorization.

232540459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 232540459 is about 15249.2773271391. The cubic root of 232540459 is about 614.9401391491.

The spelling of 232540459 in words is "two hundred thirty-two million, five hundred forty thousand, four hundred fifty-nine".