5621012 has 24 divisors (see below), whose sum is σ = 10402560. Its totient is φ = 2653280.

The previous prime is 5620997. The next prime is 5621023. The reversal of 5621012 is 2101265.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937 + ... + 5967.

It is an arithmetic number, because the mean of its divisors is an integer number (433440).

Almost surely, 2^5621012 is an apocalyptic number.

It is an amenable number.

5621012 is a deficient number, since it is larger than the sum of its proper divisors (4781548).

5621012 is a wasteful number, since it uses less digits than its factorization.

5621012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 5621012 is about 2370.8673518356. The cubic root of 5621012 is about 177.8026259828.

Adding to 5621012 its reverse (2101265), we get a palindrome (7722277).

The spelling of 5621012 in words is "five million, six hundred twenty-one thousand, twelve".