431297 has 2 divisors, whose sum is σ = 431298. Its totient is φ = 431296.

The previous prime is 431287. The next prime is 431311. The reversal of 431297 is 792134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430336 + 961 = 656^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 431297 - 2¹⁴ = 414913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (431237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215648 + 215649.

It is an arithmetic number, because the mean of its divisors is an integer number (215649).

2⁴³¹²⁹⁷ is an apocalyptic number.

It is an amenable number.

431297 is a deficient number, since it is larger than the sum of its proper divisors (1).

431297 is an equidigital number, since it uses as much as digits as its factorization.

431297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 431297 is about 656.7320610416. The cubic root of 431297 is about 75.5542349667.

The spelling of 431297 in words is "four hundred thirty-one thousand, two hundred ninety-seven".