47453321 has 2 divisors, whose sum is σ = 47453322. Its totient is φ = 47453320.

The previous prime is 47453311. The next prime is 47453327. The reversal of 47453321 is 12335474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29855296 + 17598025 = 5464^2 + 4195^2 .

It is a cyclic number.

It is not a de Polignac number, because 47453321 - 2¹⁰ = 47452297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47453327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23726660 + 23726661.

It is an arithmetic number, because the mean of its divisors is an integer number (23726661).

Almost surely, 2^47453321 is an apocalyptic number.

It is an amenable number.

47453321 is a deficient number, since it is larger than the sum of its proper divisors (1).

47453321 is an equidigital number, since it uses as much as digits as its factorization.

47453321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 47453321 is about 6888.6370930686. The cubic root of 47453321 is about 362.0391505534.

Adding to 47453321 its reverse (12335474), we get a palindrome (59788795).

It can be divided in two parts, 47453 and 321, that added together give a palindrome (47774).

The spelling of 47453321 in words is "forty-seven million, four hundred fifty-three thousand, three hundred twenty-one".