5621612 has 6 divisors (see below), whose sum is σ = 9837828. Its totient is φ = 2810804.

The previous prime is 5621599. The next prime is 5621617. The reversal of 5621612 is 2161265.

It is not an unprimeable number, because it can be changed into a prime (5621617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702698 + ... + 702705.

It is an arithmetic number, because the mean of its divisors is an integer number (1639638).

Almost surely, 2^5621612 is an apocalyptic number.

It is an amenable number.

5621612 is a deficient number, since it is larger than the sum of its proper divisors (4216216).

5621612 is a wasteful number, since it uses less digits than its factorization.

5621612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405407 (or 1405405 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 5621612 is about 2370.9938844291. The cubic root of 5621612 is about 177.8089521141.

Adding to 5621612 its reverse (2161265), we get a palindrome (7782877).

The spelling of 5621612 in words is "five million, six hundred twenty-one thousand, six hundred twelve".