3201525 has 72 divisors (see below), whose sum is σ = 6499584. Its totient is φ = 1555200.

The previous prime is 3201521. The next prime is 3201529. The reversal of 3201525 is 5251023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3201521) and next prime (3201529).

It is not a de Polignac number, because 3201525 - 2² = 3201521 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3201498 and 3201507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 103260 + ... + 103290.

It is an arithmetic number, because the mean of its divisors is an integer number (90272).

Almost surely, 2^3201525 is an apocalyptic number.

It is an amenable number.

3201525 is an abundant number, since it is smaller than the sum of its proper divisors (3298059).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3201525 is a wasteful number, since it uses less digits than its factorization.

3201525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 3201525 is about 1789.2805816864. The cubic root of 3201525 is about 147.3846651781.

Adding to 3201525 its reverse (5251023), we get a palindrome (8452548).

The spelling of 3201525 in words is "three million, two hundred one thousand, five hundred twenty-five".