32505252 has 24 divisors (see below), whose sum is σ = 81680256. Its totient is φ = 10001568.

The previous prime is 32505223. The next prime is 32505281. The reversal of 32505252 is 25250523.

It is an interprime number because it is at equal distance from previous prime (32505223) and next prime (32505281).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104028 + ... + 104339.

It is an arithmetic number, because the mean of its divisors is an integer number (3403344).

Almost surely, 2^32505252 is an apocalyptic number.

It is an amenable number.

32505252 is an abundant number, since it is smaller than the sum of its proper divisors (49175004).

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

32505252 is a wasteful number, since it uses less digits than its factorization.

32505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208387 (or 208385 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 32505252 is about 5701.3377377594. The cubic root of 32505252 is about 319.1424042287.

Adding to 32505252 its reverse (25250523), we get a palindrome (57755775).

The spelling of 32505252 in words is "thirty-two million, five hundred five thousand, two hundred fifty-two".