432031409 has 2 divisors, whose sum is σ = 432031410. Its totient is φ = 432031408.

The previous prime is 432031403. The next prime is 432031427. The reversal of 432031409 is 904130234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340771600 + 91259809 = 18460^2 + 9553^2 .

It is a cyclic number.

It is not a de Polignac number, because 432031409 - 2⁴ = 432031393 is a prime.

It is a super-2 number, since 2×432031409² = 373302276725050562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (432031403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216015704 + 216015705.

It is an arithmetic number, because the mean of its divisors is an integer number (216015705).

Almost surely, 2^432031409 is an apocalyptic number.

It is an amenable number.

432031409 is a deficient number, since it is larger than the sum of its proper divisors (1).

432031409 is an equidigital number, since it uses as much as digits as its factorization.

432031409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 432031409 is about 20785.3652602017. The cubic root of 432031409 is about 755.9709502616.

The spelling of 432031409 in words is "four hundred thirty-two million, thirty-one thousand, four hundred nine".