431326053 has 10 divisors (see below), whose sum is σ = 644326694. Its totient is φ = 287550648.

The previous prime is 431326043. The next prime is 431326079. The reversal of 431326053 is 350623134.

It is a happy number.

431326053 is a `hidden beast` number, since 43 + 13 + 2 + 605 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 403889409 + 27436644 = 20097^2 + 5238^2 .

It is not a de Polignac number, because 431326053 - 2⁴ = 431326037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431326043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2662426 + ... + 2662587.

Almost surely, 2^431326053 is an apocalyptic number.

It is an amenable number.

431326053 is a deficient number, since it is larger than the sum of its proper divisors (213000641).

431326053 is an equidigital number, since it uses as much as digits as its factorization.

431326053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325025 (or 5325016 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 431326053 is about 20768.3907176266. The cubic root of 431326053 is about 755.5593142170.

Adding to 431326053 its reverse (350623134), we get a palindrome (781949187).

The spelling of 431326053 in words is "four hundred thirty-one million, three hundred twenty-six thousand, fifty-three".