5621109 has 12 divisors (see below), whose sum is σ = 8116416. Its totient is φ = 3458832.

The previous prime is 5621081. The next prime is 5621113. The reversal of 5621109 is 9011265.

It is not a de Polignac number, because 5621109 - 2⁷ = 5620981 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621159) 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 11 ways as a sum of consecutive naturals, for example, 5037 + ... + 6050.

It is an arithmetic number, because the mean of its divisors is an integer number (676368).

Almost surely, 2^5621109 is an apocalyptic number.

It is an amenable number.

5621109 is a deficient number, since it is larger than the sum of its proper divisors (2495307).

5621109 is a wasteful number, since it uses less digits than its factorization.

5621109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116 (or 11103 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 5621109 is about 2370.8878083958. The cubic root of 5621109 is about 177.8036487379.

The spelling of 5621109 in words is "five million, six hundred twenty-one thousand, one hundred nine".