3653525 has 6 divisors (see below), whose sum is σ = 4530402. Its totient is φ = 2922800.

The previous prime is 3653509. The next prime is 3653557. The reversal of 3653525 is 5253563.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 877969 + 2775556 = 937^2 + 1666^2 .

It is not a de Polignac number, because 3653525 - 2⁴ = 3653509 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3³ + 6⁸ + 5² + 3⁹ + 5² + 2¹⁰ + 5⁹ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73046 + ... + 73095.

It is an arithmetic number, because the mean of its divisors is an integer number (755067).

Almost surely, 2^3653525 is an apocalyptic number.

It is an amenable number.

3653525 is a deficient number, since it is larger than the sum of its proper divisors (876877).

3653525 is a wasteful number, since it uses less digits than its factorization.

3653525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146151 (or 146146 counting only the distinct ones).

The product of its digits is 13500, while the sum is 29.

The square root of 3653525 is about 1911.4196294901. The cubic root of 3653525 is about 154.0177215790.

The spelling of 3653525 in words is "three million, six hundred fifty-three thousand, five hundred twenty-five".