431444053 has 2 divisors, whose sum is σ = 431444054. Its totient is φ = 431444052.

The previous prime is 431444047. The next prime is 431444063. The reversal of 431444053 is 350444134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386594244 + 44849809 = 19662^2 + 6697^2 .

It is a cyclic number.

It is not a de Polignac number, because 431444053 - 2⁹ = 431443541 is a prime.

It is a super-2 number, since 2×431444053² = 372287941738133618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431444063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215722026 + 215722027.

It is an arithmetic number, because the mean of its divisors is an integer number (215722027).

Almost surely, 2^431444053 is an apocalyptic number.

It is an amenable number.

431444053 is a deficient number, since it is larger than the sum of its proper divisors (1).

431444053 is an equidigital number, since it uses as much as digits as its factorization.

431444053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 431444053 is about 20771.2313790011. The cubic root of 431444053 is about 755.6282086334.

Adding to 431444053 its reverse (350444134), we get a palindrome (781888187).

The spelling of 431444053 in words is "four hundred thirty-one million, four hundred forty-four thousand, fifty-three".