32520313325 has 12 divisors (see below), whose sum is σ = 40391640960. Its totient is φ = 25973378160.

The previous prime is 32520313321. The next prime is 32520313339. The reversal of 32520313325 is 52331302523.

It is not a de Polignac number, because 32520313325 - 2² = 32520313321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32520313321) 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, 1056335 + ... + 1086684.

It is an arithmetic number, because the mean of its divisors is an integer number (3365970080).

Almost surely, 2^32520313325 is an apocalyptic number.

It is an amenable number.

32520313325 is a deficient number, since it is larger than the sum of its proper divisors (7871327635).

32520313325 is a wasteful number, since it uses less digits than its factorization.

32520313325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143636 (or 2143631 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 32520313325 its reverse (52331302523), we get a palindrome (84851615848).

The spelling of 32520313325 in words is "thirty-two billion, five hundred twenty million, three hundred thirteen thousand, three hundred twenty-five".