3555405225 has 48 divisors (see below), whose sum is σ = 6539016000. Its totient is φ = 1894008960.

The previous prime is 3555405209. The next prime is 3555405233. The reversal of 3555405225 is 5225045553.

3555405225 is a `hidden beast` number, since 35 + 554 + 0 + 52 + 25 = 666.

It is not a de Polignac number, because 3555405225 - 2⁴ = 3555405209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3555405225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 694726 + ... + 699824.

It is an arithmetic number, because the mean of its divisors is an integer number (136229500).

Almost surely, 2^3555405225 is an apocalyptic number.

It is an amenable number.

3555405225 is a deficient number, since it is larger than the sum of its proper divisors (2983610775).

3555405225 is a wasteful number, since it uses less digits than its factorization.

3555405225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151 (or 6140 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 3555405225 is about 59627.2188266399. The cubic root of 3555405225 is about 1526.2641457436.

The spelling of 3555405225 in words is "three billion, five hundred fifty-five million, four hundred five thousand, two hundred twenty-five".