47353321 has 2 divisors, whose sum is σ = 47353322. Its totient is φ = 47353320.

The previous prime is 47353261. The next prime is 47353349. The reversal of 47353321 is 12335374.

It is an a-pointer prime, because the next prime (47353349) can be obtained adding 47353321 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 19263321 = 5300^2 + 4389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47353321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47353321.

It is not a weakly prime, because it can be changed into another prime (47356321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23676660 + 23676661.

It is an arithmetic number, because the mean of its divisors is an integer number (23676661).

Almost surely, 2^47353321 is an apocalyptic number.

It is an amenable number.

47353321 is a deficient number, since it is larger than the sum of its proper divisors (1).

47353321 is an equidigital number, since it uses as much as digits as its factorization.

47353321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 28.

The square root of 47353321 is about 6881.3749352873. The cubic root of 47353321 is about 361.7846592248.

Adding to 47353321 its reverse (12335374), we get a palindrome (59688695).

It can be divided in two parts, 47353 and 321, that added together give a palindrome (47674).

The spelling of 47353321 in words is "forty-seven million, three hundred fifty-three thousand, three hundred twenty-one".