3527640625 has 14 divisors (see below), whose sum is σ = 4409513870. Its totient is φ = 2822100000.

The previous prime is 3527640577. The next prime is 3527640631. The reversal of 3527640625 is 5260467253.

It can be written as a sum of positive squares in 7 ways, for example, as 3147546609 + 380094016 = 56103^2 + 19496^2 .

It is not a de Polignac number, because 3527640625 - 2¹¹ = 3527638577 is a prime.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 97260 + ... + 128509.

Almost surely, 2^3527640625 is an apocalyptic number.

It is an amenable number.

3527640625 is a deficient number, since it is larger than the sum of its proper divisors (881873245).

3527640625 is an frugal number, since it uses more digits than its factorization.

3527640625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225799 (or 225774 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 3527640625 is about 59393.9443462042. The cubic root of 3527640625 is about 1522.2808303269.

The spelling of 3527640625 in words is "three billion, five hundred twenty-seven million, six hundred forty thousand, six hundred twenty-five".