232189513 has 2 divisors, whose sum is σ = 232189514. Its totient is φ = 232189512.

The previous prime is 232189493. The next prime is 232189543. The reversal of 232189513 is 315981232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228221449 + 3968064 = 15107^2 + 1992^2 .

It is a cyclic number.

It is not a de Polignac number, because 232189513 - 2¹⁷ = 232058441 is a prime.

It is not a weakly prime, because it can be changed into another prime (232189543) 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, 116094756 + 116094757.

It is an arithmetic number, because the mean of its divisors is an integer number (116094757).

Almost surely, 2^232189513 is an apocalyptic number.

It is an amenable number.

232189513 is a deficient number, since it is larger than the sum of its proper divisors (1).

232189513 is an equidigital number, since it uses as much as digits as its factorization.

232189513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 232189513 is about 15237.7660108036. The cubic root of 232189513 is about 614.6306310889.

The spelling of 232189513 in words is "two hundred thirty-two million, one hundred eighty-nine thousand, five hundred thirteen".