325640433 has 8 divisors (see below), whose sum is σ = 436135168. Its totient is φ = 216119664.

The previous prime is 325640323. The next prime is 325640453. The reversal of 325640433 is 334046523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 325640433 - 2⁹ = 325639921 is a prime.

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 325640433.

It is not an unprimeable number, because it can be changed into a prime (325640453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242710 + ... + 244047.

It is an arithmetic number, because the mean of its divisors is an integer number (54516896).

Almost surely, 2^325640433 is an apocalyptic number.

It is an amenable number.

325640433 is a deficient number, since it is larger than the sum of its proper divisors (110494735).

325640433 is a wasteful number, since it uses less digits than its factorization.

325640433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486983.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 325640433 is about 18045.5100509794. The cubic root of 325640433 is about 687.9857472090.

Adding to 325640433 its reverse (334046523), we get a palindrome (659686956).

It can be divided in two parts, 32 and 5640433, that added together give a palindrome (5640465).

The spelling of 325640433 in words is "three hundred twenty-five million, six hundred forty thousand, four hundred thirty-three".