5521205 has 4 divisors (see below), whose sum is σ = 6625452. Its totient is φ = 4416960.

The previous prime is 5521199. The next prime is 5521207. The reversal of 5521205 is 5021255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2745649 + 2775556 = 1657^2 + 1666^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5521205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521207) 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 3 ways as a sum of consecutive naturals, for example, 552116 + ... + 552125.

It is an arithmetic number, because the mean of its divisors is an integer number (1656363).

Almost surely, 2^5521205 is an apocalyptic number.

It is an amenable number.

5521205 is a deficient number, since it is larger than the sum of its proper divisors (1104247).

5521205 is a wasteful number, since it uses less digits than its factorization.

5521205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104246.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 5521205 is about 2349.7244519305. The cubic root of 5521205 is about 176.7439774761.

The spelling of 5521205 in words is "five million, five hundred twenty-one thousand, two hundred five".