32505325 has 12 divisors (see below), whose sum is σ = 42059808. Its totient is φ = 24873200.

The previous prime is 32505323. The next prime is 32505337. The reversal of 32505325 is 52350523.

It is not a de Polignac number, because 32505325 - 2¹ = 32505323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 32505325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32505323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27691 + ... + 28840.

It is an arithmetic number, because the mean of its divisors is an integer number (3504984).

Almost surely, 2^32505325 is an apocalyptic number.

It is an amenable number.

32505325 is a deficient number, since it is larger than the sum of its proper divisors (9554483).

32505325 is a wasteful number, since it uses less digits than its factorization.

32505325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56564 (or 56559 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 32505325 is about 5701.3441397621. The cubic root of 32505325 is about 319.1426431375.

Adding to 32505325 its reverse (52350523), we get a palindrome (84855848).

The spelling of 32505325 in words is "thirty-two million, five hundred five thousand, three hundred twenty-five".