163232539 has 2 divisors, whose sum is σ = 163232540. Its totient is φ = 163232538.

The previous prime is 163232533. The next prime is 163232543. The reversal of 163232539 is 935232361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163232539 - 2⁷ = 163232411 is a prime.

It is not a weakly prime, because it can be changed into another prime (163232533) 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, 81616269 + 81616270.

It is an arithmetic number, because the mean of its divisors is an integer number (81616270).

Almost surely, 2^163232539 is an apocalyptic number.

163232539 is a deficient number, since it is larger than the sum of its proper divisors (1).

163232539 is an equidigital number, since it uses as much as digits as its factorization.

163232539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 34.

The square root of 163232539 is about 12776.2490191762. The cubic root of 163232539 is about 546.5151999973.

The spelling of 163232539 in words is "one hundred sixty-three million, two hundred thirty-two thousand, five hundred thirty-nine".