325737520 has 60 divisors (see below), whose sum is σ = 799368480. Its totient is φ = 123426432.

The previous prime is 325737443. The next prime is 325737521. The reversal of 325737520 is 25737523.

It is a super-4 number, since 4×325737520⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (325737521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23241 + ... + 34519.

It is an arithmetic number, because the mean of its divisors is an integer number (13322808).

Almost surely, 2^325737520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325737520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399684240).

325737520 is an abundant number, since it is smaller than the sum of its proper divisors (473630960).

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

325737520 is a wasteful number, since it uses less digits than its factorization.

325737520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330 (or 11305 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 325737520 is about 18048.1999102404. The cubic root of 325737520 is about 688.0541128341.

The spelling of 325737520 in words is "three hundred twenty-five million, seven hundred thirty-seven thousand, five hundred twenty".