32280473 has 2 divisors, whose sum is σ = 32280474. Its totient is φ = 32280472.

The previous prime is 32280463. The next prime is 32280481. The reversal of 32280473 is 37408223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31225744 + 1054729 = 5588^2 + 1027^2 .

It is an emirp because it is prime and its reverse (37408223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32280473 - 2¹⁰ = 32279449 is a prime.

It is not a weakly prime, because it can be changed into another prime (32280463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16140236 + 16140237.

It is an arithmetic number, because the mean of its divisors is an integer number (16140237).

Almost surely, 2^32280473 is an apocalyptic number.

It is an amenable number.

32280473 is a deficient number, since it is larger than the sum of its proper divisors (1).

32280473 is an equidigital number, since it uses as much as digits as its factorization.

32280473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 32280473 is about 5681.5907103557. The cubic root of 32280473 is about 318.4050617919.

Adding to 32280473 its reverse (37408223), we get a palindrome (69688696).

The spelling of 32280473 in words is "thirty-two million, two hundred eighty thousand, four hundred seventy-three".