3539655025 has 27 divisors (see below), whose sum is σ = 4477590369. Its totient is φ = 2775798720.

The previous prime is 3539654981. The next prime is 3539655029. The reversal of 3539655025 is 5205569353.

It is a happy number.

The square root of 3539655025 is 59495.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 19368801 + 3520286224 = 4401^2 + 59332^2 .

It is not a de Polignac number, because 3539655025 - 2⁹ = 3539654513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3539655029) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 21715594 + ... + 21715756.

Almost surely, 2^3539655025 is an apocalyptic number.

3539655025 is the 59495-th square number.

3539655025 is the 29748-th centered octagonal number.

It is an amenable number.

3539655025 is a deficient number, since it is larger than the sum of its proper divisors (937935344).

3539655025 is an frugal number, since it uses more digits than its factorization.

3539655025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 43.

The cubic root of 3539655025 is about 1524.0070612360.

The spelling of 3539655025 in words is "three billion, five hundred thirty-nine million, six hundred fifty-five thousand, twenty-five".