5621145 has 16 divisors (see below), whose sum is σ = 9035712. Its totient is φ = 2984000.

The previous prime is 5621117. The next prime is 5621159. The reversal of 5621145 is 5411265.

5621145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5621145 - 2⁵ = 5621113 is a prime.

It is a super-2 number, since 2×5621145² = 63194542222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3019 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (564732).

Almost surely, 2^5621145 is an apocalyptic number.

It is an amenable number.

5621145 is a deficient number, since it is larger than the sum of its proper divisors (3414567).

5621145 is a wasteful number, since it uses less digits than its factorization.

5621145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its digits is 1200, while the sum is 24.

The square root of 5621145 is about 2370.8954004764. The cubic root of 5621145 is about 177.8040283141.

The spelling of 5621145 in words is "five million, six hundred twenty-one thousand, one hundred forty-five".