3601525 has 6 divisors (see below), whose sum is σ = 4465922. Its totient is φ = 2881200.

The previous prime is 3601523. The next prime is 3601529. The reversal of 3601525 is 5251063.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2916 + 3598609 = 54^2 + 1897^2 .

It is not a de Polignac number, because 3601525 - 2¹ = 3601523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3601496 and 3601505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72006 + ... + 72055.

Almost surely, 2^3601525 is an apocalyptic number.

It is an amenable number.

3601525 is a deficient number, since it is larger than the sum of its proper divisors (864397).

3601525 is a wasteful number, since it uses less digits than its factorization.

3601525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144071 (or 144066 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 3601525 is about 1897.7684263366. The cubic root of 3601525 is about 153.2835245696.

Adding to 3601525 its reverse (5251063), we get a palindrome (8852588).

The spelling of 3601525 in words is "three million, six hundred one thousand, five hundred twenty-five".