5621147 has 8 divisors (see below), whose sum is σ = 6475776. Its totient is φ = 4779432.

The previous prime is 5621117. The next prime is 5621159. The reversal of 5621147 is 7411265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5621147 - 2⁸ = 5620891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5621117) 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 in 7 ways as a sum of consecutive naturals, for example, 2273 + ... + 4050.

It is an arithmetic number, because the mean of its divisors is an integer number (809472).

Almost surely, 2^5621147 is an apocalyptic number.

5621147 is a deficient number, since it is larger than the sum of its proper divisors (854629).

5621147 is a wasteful number, since it uses less digits than its factorization.

5621147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457.

The product of its digits is 1680, while the sum is 26.

The square root of 5621147 is about 2370.8958222579. The cubic root of 5621147 is about 177.8040494016.

The spelling of 5621147 in words is "five million, six hundred twenty-one thousand, one hundred forty-seven".