32320255 has 16 divisors (see below), whose sum is σ = 43213824. Its totient is φ = 23003680.

The previous prime is 32320237. The next prime is 32320271. The reversal of 32320255 is 55202323.

It is a de Polignac number, because none of the positive numbers 2^k-32320255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3667 + ... + 8836.

It is an arithmetic number, because the mean of its divisors is an integer number (2700864).

Almost surely, 2^32320255 is an apocalyptic number.

32320255 is a deficient number, since it is larger than the sum of its proper divisors (10893569).

32320255 is a wasteful number, since it uses less digits than its factorization.

32320255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12566.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 32320255 is about 5685.0905885483. The cubic root of 32320255 is about 318.5358074006.

Adding to 32320255 its reverse (55202323), we get a palindrome (87522578).

The spelling of 32320255 in words is "thirty-two million, three hundred twenty thousand, two hundred fifty-five".