3641525 has 6 divisors (see below), whose sum is σ = 4515522. Its totient is φ = 2913200.

The previous prime is 3641509. The next prime is 3641537. The reversal of 3641525 is 5251463.

It can be written as a sum of positive squares in 3 ways, for example, as 54289 + 3587236 = 233^2 + 1894^2 .

It is not a de Polignac number, because 3641525 - 2⁴ = 3641509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3641494 and 3641503.

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, 72806 + ... + 72855.

It is an arithmetic number, because the mean of its divisors is an integer number (752587).

Almost surely, 2^3641525 is an apocalyptic number.

It is an amenable number.

3641525 is a deficient number, since it is larger than the sum of its proper divisors (873997).

3641525 is a wasteful number, since it uses less digits than its factorization.

3641525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145671 (or 145666 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 3641525 is about 1908.2780195768. The cubic root of 3641525 is about 153.8489129313.

Adding to 3641525 its reverse (5251463), we get a palindrome (8892988).

The spelling of 3641525 in words is "three million, six hundred forty-one thousand, five hundred twenty-five".