432243481 has 2 divisors, whose sum is σ = 432243482. Its totient is φ = 432243480.

The previous prime is 432243431. The next prime is 432243529. The reversal of 432243481 is 184342234.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222457225 + 209786256 = 14915^2 + 14484^2 .

It is a cyclic number.

It is not a de Polignac number, because 432243481 - 2¹⁹ = 431719193 is a prime.

It is a super-2 number, since 2×432243481² = 373668853733994722, which contains 22 as substring.

It is equal to p_22960741 and since 432243481 and 22960741 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 (432243401) 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, 216121740 + 216121741.

It is an arithmetic number, because the mean of its divisors is an integer number (216121741).

Almost surely, 2^432243481 is an apocalyptic number.

It is an amenable number.

432243481 is a deficient number, since it is larger than the sum of its proper divisors (1).

432243481 is an equidigital number, since it uses as much as digits as its factorization.

432243481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 31.

The square root of 432243481 is about 20790.4661082911. The cubic root of 432243481 is about 756.0946249474.

The spelling of 432243481 in words is "four hundred thirty-two million, two hundred forty-three thousand, four hundred eighty-one".