3635743225 has 6 divisors (see below), whose sum is σ = 4508321630. Its totient is φ = 2908594560.

The previous prime is 3635743217. The next prime is 3635743229. The reversal of 3635743225 is 5223475363.

It can be written as a sum of positive squares in 3 ways, for example, as 10137856 + 3625605369 = 3184^2 + 60213^2 .

It is not a de Polignac number, because 3635743225 - 2³ = 3635743217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3635743229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72714840 + ... + 72714889.

Almost surely, 2^3635743225 is an apocalyptic number.

It is an amenable number.

3635743225 is a deficient number, since it is larger than the sum of its proper divisors (872578405).

3635743225 is a wasteful number, since it uses less digits than its factorization.

3635743225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145429739 (or 145429734 counting only the distinct ones).

The product of its digits is 453600, while the sum is 40.

The square root of 3635743225 is about 60297.1245168457. The cubic root of 3635743225 is about 1537.6744605610.

The spelling of 3635743225 in words is "three billion, six hundred thirty-five million, seven hundred forty-three thousand, two hundred twenty-five".