3628125281 has 8 divisors (see below), whose sum is σ = 3958391424. Its totient is φ = 3297931920.

The previous prime is 3628125253. The next prime is 3628125311. The reversal of 3628125281 is 1825218263.

3628125281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3628125281 - 2⁶ = 3628125217 is a prime.

It is a super-2 number, since 2×3628125281² = 26326586109262657922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3628125211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179231 + ... + 198443.

It is an arithmetic number, because the mean of its divisors is an integer number (494798928).

Almost surely, 2^3628125281 is an apocalyptic number.

It is an amenable number.

3628125281 is a deficient number, since it is larger than the sum of its proper divisors (330266143).

3628125281 is a wasteful number, since it uses less digits than its factorization.

3628125281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36391.

The product of its digits is 46080, while the sum is 38.

The square root of 3628125281 is about 60233.9213483565. The cubic root of 3628125281 is about 1536.5997505588.

The spelling of 3628125281 in words is "three billion, six hundred twenty-eight million, one hundred twenty-five thousand, two hundred eighty-one".