432315997 has 2 divisors, whose sum is σ = 432315998. Its totient is φ = 432315996.

The previous prime is 432315991. The next prime is 432316009. The reversal of 432315997 is 799513234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277089316 + 155226681 = 16646^2 + 12459^2 .

It is a cyclic number.

It is not a de Polignac number, because 432315997 - 2¹⁹ = 431791709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (432315991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216157998 + 216157999.

It is an arithmetic number, because the mean of its divisors is an integer number (216157999).

Almost surely, 2^432315997 is an apocalyptic number.

It is an amenable number.

432315997 is a deficient number, since it is larger than the sum of its proper divisors (1).

432315997 is an equidigital number, since it uses as much as digits as its factorization.

432315997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 43.

The square root of 432315997 is about 20792.2100075966. The cubic root of 432315997 is about 756.1369050467.

The spelling of 432315997 in words is "four hundred thirty-two million, three hundred fifteen thousand, nine hundred ninety-seven".