5217724 has 12 divisors (see below), whose sum is σ = 9286200. Its totient is φ = 2564528.

The previous prime is 5217697. The next prime is 5217731. The reversal of 5217724 is 4277125.

It is a junction number, because it is equal to n+sod(n) for n = 5217692 and 5217701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10819 + ... + 11290.

It is an arithmetic number, because the mean of its divisors is an integer number (773850).

Almost surely, 2^5217724 is an apocalyptic number.

It is an amenable number.

5217724 is a deficient number, since it is larger than the sum of its proper divisors (4068476).

5217724 is a wasteful number, since it uses less digits than its factorization.

5217724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22172 (or 22170 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 5217724 is about 2284.2337883851. The cubic root of 5217724 is about 173.4444340328. Note that the first 4 decimals are identical.

It can be divided in two parts, 521 and 7724, that multiplied together give a palindrome (4024204).

The spelling of 5217724 in words is "five million, two hundred seventeen thousand, seven hundred twenty-four".