5221249 has 4 divisors (see below), whose sum is σ = 5695920. Its totient is φ = 4746580.

The previous prime is 5221231. The next prime is 5221283. The reversal of 5221249 is 9421225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5221249 - 2⁵ = 5221217 is a prime.

It is a super-2 number, since 2×5221249² = 54522882240002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237319 + ... + 237340.

It is an arithmetic number, because the mean of its divisors is an integer number (1423980).

Almost surely, 2^5221249 is an apocalyptic number.

It is an amenable number.

5221249 is a deficient number, since it is larger than the sum of its proper divisors (474671).

5221249 is a wasteful number, since it uses less digits than its factorization.

5221249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474670.

The product of its digits is 1440, while the sum is 25.

The square root of 5221249 is about 2285.0052516351. The cubic root of 5221249 is about 173.4834838816.

It can be divided in two parts, 522 and 1249, that added together give a palindrome (1771).

The spelling of 5221249 in words is "five million, two hundred twenty-one thousand, two hundred forty-nine".