431441 has 2 divisors, whose sum is σ = 431442. Its totient is φ = 431440.

The previous prime is 431429. The next prime is 431447. The reversal of 431441 is 144134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271441 + 160000 = 521^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 431441 - 2⁶ = 431377 is a prime.

It is a super-2 number, since 2×431441² = 372282672962, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (431447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215720 + 215721.

It is an arithmetic number, because the mean of its divisors is an integer number (215721).

2⁴³¹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

431441 is a deficient number, since it is larger than the sum of its proper divisors (1).

431441 is an equidigital number, since it uses as much as digits as its factorization.

431441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 17.

The square root of 431441 is about 656.8416856443. The cubic root of 431441 is about 75.5626426295.

Adding to 431441 its reverse (144134), we get a palindrome (575575).

The spelling of 431441 in words is "four hundred thirty-one thousand, four hundred forty-one".