47253321 has 8 divisors (see below), whose sum is σ = 70004960. Its totient is φ = 31502196.

The previous prime is 47253307. The next prime is 47253337. The reversal of 47253321 is 12335274.

It is not a de Polignac number, because 47253321 - 2⁵ = 47253289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1750123 = 47253321 / (4 + 7 + 2 + 5 + 3 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47253301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875035 + ... + 875088.

It is an arithmetic number, because the mean of its divisors is an integer number (8750620).

Almost surely, 2^47253321 is an apocalyptic number.

It is an amenable number.

47253321 is a deficient number, since it is larger than the sum of its proper divisors (22751639).

47253321 is a wasteful number, since it uses less digits than its factorization.

47253321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750132 (or 1750126 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 47253321 is about 6874.1051053937. The cubic root of 47253321 is about 361.5298093564.

Adding to 47253321 its reverse (12335274), we get a palindrome (59588595).

It can be divided in two parts, 47253 and 321, that added together give a palindrome (47574).

The spelling of 47253321 in words is "forty-seven million, two hundred fifty-three thousand, three hundred twenty-one".