432045661 has 2 divisors, whose sum is σ = 432045662. Its totient is φ = 432045660.

The previous prime is 432045643. The next prime is 432045671. The reversal of 432045661 is 166540234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423577561 + 8468100 = 20581^2 + 2910^2 .

It is a cyclic number.

It is not a de Polignac number, because 432045661 - 2⁹ = 432045149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432045611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216022830 + 216022831.

It is an arithmetic number, because the mean of its divisors is an integer number (216022831).

Almost surely, 2^432045661 is an apocalyptic number.

It is an amenable number.

432045661 is a deficient number, since it is larger than the sum of its proper divisors (1).

432045661 is an equidigital number, since it uses as much as digits as its factorization.

432045661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 432045661 is about 20785.7080947463. The cubic root of 432045661 is about 755.9792629130.

Adding to 432045661 its reverse (166540234), we get a palindrome (598585895).

The spelling of 432045661 in words is "four hundred thirty-two million, forty-five thousand, six hundred sixty-one".