432039961 has 2 divisors, whose sum is σ = 432039962. Its totient is φ = 432039960.

The previous prime is 432039943. The next prime is 432039991. The reversal of 432039961 is 169930234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409657600 + 22382361 = 20240^2 + 4731^2 .

It is a cyclic number.

It is not a de Polignac number, because 432039961 - 2⁹ = 432039449 is a prime.

It is equal to p_22950577 and since 432039961 and 22950577 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 432039961.

It is not a weakly prime, because it can be changed into another prime (432039991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216019980 + 216019981.

It is an arithmetic number, because the mean of its divisors is an integer number (216019981).

Almost surely, 2^432039961 is an apocalyptic number.

It is an amenable number.

432039961 is a deficient number, since it is larger than the sum of its proper divisors (1).

432039961 is an equidigital number, since it uses as much as digits as its factorization.

432039961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 432039961 is about 20785.5709808511. The cubic root of 432039961 is about 755.9759383410.

The spelling of 432039961 in words is "four hundred thirty-two million, thirty-nine thousand, nine hundred sixty-one".