32530251 has 16 divisors (see below), whose sum is σ = 47706624. Its totient is φ = 19591584.

The previous prime is 32530241. The next prime is 32530271. The reversal of 32530251 is 15203523.

It is not a de Polignac number, because 32530251 - 2⁵ = 32530219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32530241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7041 + ... + 10706.

It is an arithmetic number, because the mean of its divisors is an integer number (2981664).

Almost surely, 2^32530251 is an apocalyptic number.

32530251 is a deficient number, since it is larger than the sum of its proper divisors (15176373).

32530251 is a wasteful number, since it uses less digits than its factorization.

32530251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17810.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 32530251 is about 5703.5296966002. The cubic root of 32530251 is about 319.2241981548.

Adding to 32530251 its reverse (15203523), we get a palindrome (47733774).

The spelling of 32530251 in words is "thirty-two million, five hundred thirty thousand, two hundred fifty-one".