7213283 has 16 divisors (see below), whose sum is σ = 9386496. Its totient is φ = 5375040.

The previous prime is 7213279. The next prime is 7213291. The reversal of 7213283 is 3823127.

It is not a de Polignac number, because 7213283 - 2² = 7213279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7213223) 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 15 ways as a sum of consecutive naturals, for example, 266 + ... + 3807.

It is an arithmetic number, because the mean of its divisors is an integer number (586656).

Almost surely, 2^7213283 is an apocalyptic number.

7213283 is a deficient number, since it is larger than the sum of its proper divisors (2173213).

7213283 is a wasteful number, since it uses less digits than its factorization.

7213283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114.

The product of its digits is 2016, while the sum is 26.

The square root of 7213283 is about 2685.7555733908. The cubic root of 7213283 is about 193.2165502270.

It can be divided in two parts, 721 and 3283, that added together give a palindrome (4004).

The spelling of 7213283 in words is "seven million, two hundred thirteen thousand, two hundred eighty-three".