32144473 has 2 divisors, whose sum is σ = 32144474. Its totient is φ = 32144472.

The previous prime is 32144471. The next prime is 32144477. The reversal of 32144473 is 37444123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32114889 + 29584 = 5667^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 32144473 - 2¹ = 32144471 is a prime.

Together with 32144471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32144471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16072236 + 16072237.

It is an arithmetic number, because the mean of its divisors is an integer number (16072237).

Almost surely, 2^32144473 is an apocalyptic number.

It is an amenable number.

32144473 is a deficient number, since it is larger than the sum of its proper divisors (1).

32144473 is an equidigital number, since it uses as much as digits as its factorization.

32144473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 32144473 is about 5669.6095985526. The cubic root of 32144473 is about 317.9572777278.

Adding to 32144473 its reverse (37444123), we get a palindrome (69588596).

The spelling of 32144473 in words is "thirty-two million, one hundred forty-four thousand, four hundred seventy-three".