325544520 has 128 divisors (see below), whose sum is σ = 1119744000. Its totient is φ = 74171136.

The previous prime is 325544503. The next prime is 325544521. The reversal of 325544520 is 25445523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (325544521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502837 + ... + 503483.

It is an arithmetic number, because the mean of its divisors is an integer number (8748000).

Almost surely, 2^325544520 is an apocalyptic number.

325544520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325544520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559872000).

325544520 is an abundant number, since it is smaller than the sum of its proper divisors (794199480).

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

325544520 is a wasteful number, since it uses less digits than its factorization.

325544520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 325544520 is about 18042.8523243970. The cubic root of 325544520 is about 687.9181949337.

The spelling of 325544520 in words is "three hundred twenty-five million, five hundred forty-four thousand, five hundred twenty".