5221306 has 4 divisors (see below), whose sum is σ = 7831962. Its totient is φ = 2610652.

The previous prime is 5221303. The next prime is 5221319. The reversal of 5221306 is 6031225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5221225 + 81 = 2285^2 + 9^2 .

It is not an unprimeable number, because it can be changed into a prime (5221301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305325 + ... + 1305328.

Almost surely, 2^5221306 is an apocalyptic number.

5221306 is a deficient number, since it is larger than the sum of its proper divisors (2610656).

5221306 is a wasteful number, since it uses less digits than its factorization.

5221306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610655.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 5221306 is about 2285.0177242201. The cubic root of 5221306 is about 173.4841151815.

The spelling of 5221306 in words is "five million, two hundred twenty-one thousand, three hundred six".