32205025 has 6 divisors (see below), whose sum is σ = 39934262. Its totient is φ = 25764000.

The previous prime is 32205023. The next prime is 32205029. The reversal of 32205025 is 52050223.

It can be written as a sum of positive squares in 3 ways, for example, as 3400336 + 28804689 = 1844^2 + 5367^2 .

It is not a de Polignac number, because 32205025 - 2¹ = 32205023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32204993 and 32205011.

It is not an unprimeable number, because it can be changed into a prime (32205023) 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, 644076 + ... + 644125.

Almost surely, 2^32205025 is an apocalyptic number.

It is an amenable number.

32205025 is a deficient number, since it is larger than the sum of its proper divisors (7729237).

32205025 is a wasteful number, since it uses less digits than its factorization.

32205025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288211 (or 1288206 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 32205025 is about 5674.9471363177. The cubic root of 32205025 is about 318.1568026715.

Adding to 32205025 its product of nonzero digits (600), we get a square (32205625 = 5675²).

Adding to 32205025 its reverse (52050223), we get a palindrome (84255248).

The spelling of 32205025 in words is "thirty-two million, two hundred five thousand, twenty-five".