5403604221 has 6 divisors (see below), whose sum is σ = 7805206110. Its totient is φ = 3602402808.

The previous prime is 5403604183. The next prime is 5403604243. The reversal of 5403604221 is 1224063045.

5403604221 is a `hidden beast` number, since 54 + 0 + 3 + 604 + 2 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3661460100 + 1742144121 = 60510^2 + 41739^2 .

It is not a de Polignac number, because 5403604221 - 2⁷ = 5403604093 is a prime.

It is a super-3 number, since 3×5403604221³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5403104221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300200226 + ... + 300200243.

It is an arithmetic number, because the mean of its divisors is an integer number (1300867685).

Almost surely, 2^5403604221 is an apocalyptic number.

It is an amenable number.

5403604221 is a deficient number, since it is larger than the sum of its proper divisors (2401601889).

5403604221 is a wasteful number, since it uses less digits than its factorization.

5403604221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600400475 (or 600400472 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 5403604221 is about 73509.2118104935. The cubic root of 5403604221 is about 1754.8008822723.

Adding to 5403604221 its reverse (1224063045), we get a palindrome (6627667266).

The spelling of 5403604221 in words is "five billion, four hundred three million, six hundred four thousand, two hundred twenty-one".