5224639 has 16 divisors (see below), whose sum is σ = 6350080. Its totient is φ = 4199040.

The previous prime is 5224631. The next prime is 5224643. The reversal of 5224639 is 9364225.

It is a cyclic number.

It is not a de Polignac number, because 5224639 - 2³ = 5224631 is a prime.

It is a Duffinian number.

5224639 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5224639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5224631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21559 + ... + 21799.

It is an arithmetic number, because the mean of its divisors is an integer number (396880).

Almost surely, 2^5224639 is an apocalyptic number.

5224639 is a deficient number, since it is larger than the sum of its proper divisors (1125441).

5224639 is a wasteful number, since it uses less digits than its factorization.

5224639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430.

The product of its digits is 12960, while the sum is 31.

The square root of 5224639 is about 2285.7469238741. The cubic root of 5224639 is about 173.5210216288.

The spelling of 5224639 in words is "five million, two hundred twenty-four thousand, six hundred thirty-nine".