32520025 has 12 divisors (see below), whose sum is σ = 40410112. Its totient is φ = 25961040.

The previous prime is 32520017. The next prime is 32520067. The reversal of 32520025 is 52002523.

It is not a de Polignac number, because 32520025 - 2³ = 32520017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32519984 and 32520011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14104 + ... + 16246.

Almost surely, 2^32520025 is an apocalyptic number.

It is an amenable number.

32520025 is a deficient number, since it is larger than the sum of its proper divisors (7890087).

32520025 is a wasteful number, since it uses less digits than its factorization.

32520025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2755 counting only the distinct ones).

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

The square root of 32520025 is about 5702.6331637236. The cubic root of 32520025 is about 319.1907448955.

Adding to 32520025 its reverse (52002523), we get a palindrome (84522548).

The spelling of 32520025 in words is "thirty-two million, five hundred twenty thousand, twenty-five".