5541021 has 8 divisors (see below), whose sum is σ = 8208960. Its totient is φ = 3693996.

The previous prime is 5541013. The next prime is 5541037. The reversal of 5541021 is 1201455.

It is not a de Polignac number, because 5541021 - 2³ = 5541013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5540985 and 5541003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102585 + ... + 102638.

It is an arithmetic number, because the mean of its divisors is an integer number (1026120).

Almost surely, 2^5541021 is an apocalyptic number.

It is an amenable number.

5541021 is a deficient number, since it is larger than the sum of its proper divisors (2667939).

5541021 is a wasteful number, since it uses less digits than its factorization.

5541021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205232 (or 205226 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5541021 is about 2353.9373398627. The cubic root of 5541021 is about 176.9551739401.

Adding to 5541021 its reverse (1201455), we get a palindrome (6742476).

The spelling of 5541021 in words is "five million, five hundred forty-one thousand, twenty-one".