325218738 has 64 divisors (see below), whose sum is σ = 754427520. Its totient is φ = 92562432.

The previous prime is 325218671. The next prime is 325218739. The reversal of 325218738 is 837812523.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 325218696 and 325218705.

It is not an unprimeable number, because it can be changed into a prime (325218739) 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, 76156 + ... + 80312.

It is an arithmetic number, because the mean of its divisors is an integer number (11787930).

Almost surely, 2^325218738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325218738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377213760).

325218738 is an abundant number, since it is smaller than the sum of its proper divisors (429208782).

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

325218738 is a wasteful number, since it uses less digits than its factorization.

325218738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251.

The product of its digits is 80640, while the sum is 39.

The square root of 325218738 is about 18033.8220574564. The cubic root of 325218738 is about 687.6886450038.

The spelling of 325218738 in words is "three hundred twenty-five million, two hundred eighteen thousand, seven hundred thirty-eight".