3611525 has 6 divisors (see below), whose sum is σ = 4478322. Its totient is φ = 2889200.

The previous prime is 3611521. The next prime is 3611549. The reversal of 3611525 is 5251163.

It can be written as a sum of positive squares in 3 ways, for example, as 450241 + 3161284 = 671^2 + 1778^2 .

It is not a de Polignac number, because 3611525 - 2² = 3611521 is a prime.

It is a super-2 number, since 2×3611525² = 26086225651250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3611525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3611521) 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, 72206 + ... + 72255.

It is an arithmetic number, because the mean of its divisors is an integer number (746387).

Almost surely, 2^3611525 is an apocalyptic number.

It is an amenable number.

3611525 is a deficient number, since it is larger than the sum of its proper divisors (866797).

3611525 is a wasteful number, since it uses less digits than its factorization.

3611525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144471 (or 144466 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 3611525 is about 1900.4012734157. The cubic root of 3611525 is about 153.4252625592.

Adding to 3611525 its reverse (5251163), we get a palindrome (8862688).

The spelling of 3611525 in words is "three million, six hundred eleven thousand, five hundred twenty-five".