325263540 has 96 divisors (see below), whose sum is σ = 1054126080. Its totient is φ = 73397376.

The previous prime is 325263509. The next prime is 325263551. The reversal of 325263540 is 45362523.

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

It is a junction number, because it is equal to n+sod(n) for n = 325263498 and 325263507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28279 + ... + 38081.

It is an arithmetic number, because the mean of its divisors is an integer number (10980480).

Almost surely, 2^325263540 is an apocalyptic number.

325263540 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 325263540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527063040).

325263540 is an abundant number, since it is smaller than the sum of its proper divisors (728862540).

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

325263540 is a wasteful number, since it uses less digits than its factorization.

325263540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9901 (or 9899 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 325263540 is about 18035.0641806454. The cubic root of 325263540 is about 687.7202221224.

The spelling of 325263540 in words is "three hundred twenty-five million, two hundred sixty-three thousand, five hundred forty".