5121644 has 24 divisors (see below), whose sum is σ = 10008768. Its totient is φ = 2273040.

The previous prime is 5121643. The next prime is 5121653. The reversal of 5121644 is 4461215.

It is not an unprimeable number, because it can be changed into a prime (5121643) 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 7 ways as a sum of consecutive naturals, for example, 539 + ... + 3245.

It is an arithmetic number, because the mean of its divisors is an integer number (417032).

Almost surely, 2^5121644 is an apocalyptic number.

It is an amenable number.

5121644 is a deficient number, since it is larger than the sum of its proper divisors (4887124).

5121644 is a wasteful number, since it uses less digits than its factorization.

5121644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2763 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 5121644 is about 2263.1049467490. The cubic root of 5121644 is about 172.3732205755.

Adding to 5121644 its reverse (4461215), we get a palindrome (9582859).

The spelling of 5121644 in words is "five million, one hundred twenty-one thousand, six hundred forty-four".