3637425625 has 10 divisors (see below), whose sum is σ = 4545327842. Its totient is φ = 2909940000.

The previous prime is 3637425613. The next prime is 3637425629. The reversal of 3637425625 is 5265247363.

It can be written as a sum of positive squares in 5 ways, for example, as 2107911744 + 1529513881 = 45912^2 + 39109^2 .

It is not a de Polignac number, because 3637425625 - 2¹⁹ = 3636901337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3637425629) 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 9 ways as a sum of consecutive naturals, for example, 2909316 + ... + 2910565.

Almost surely, 2^3637425625 is an apocalyptic number.

It is an amenable number.

3637425625 is a deficient number, since it is larger than the sum of its proper divisors (907902217).

3637425625 is an frugal number, since it uses more digits than its factorization.

3637425625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819901 (or 5819886 counting only the distinct ones).

The product of its digits is 907200, while the sum is 43.

The square root of 3637425625 is about 60311.0738173347. The cubic root of 3637425625 is about 1537.9116046076.

The spelling of 3637425625 in words is "three billion, six hundred thirty-seven million, four hundred twenty-five thousand, six hundred twenty-five".