5521541 has 8 divisors (see below), whose sum is σ = 5785344. Its totient is φ = 5259760.

The previous prime is 5521499. The next prime is 5521543. The reversal of 5521541 is 1451255.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5521541 - 2²² = 1327237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9635 + ... + 10191.

It is an arithmetic number, because the mean of its divisors is an integer number (723168).

Almost surely, 2^5521541 is an apocalyptic number.

It is an amenable number.

5521541 is a deficient number, since it is larger than the sum of its proper divisors (263803).

5521541 is a wasteful number, since it uses less digits than its factorization.

5521541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

The product of its digits is 1000, while the sum is 23.

The square root of 5521541 is about 2349.7959485879. The cubic root of 5521541 is about 176.7475627303.

Adding to 5521541 its reverse (1451255), we get a palindrome (6972796).

The spelling of 5521541 in words is "five million, five hundred twenty-one thousand, five hundred forty-one".