325255620 has 24 divisors (see below), whose sum is σ = 910715904. Its totient is φ = 86734816.

The previous prime is 325255603. The next prime is 325255639. The reversal of 325255620 is 26552523.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710404 + ... + 2710523.

It is an arithmetic number, because the mean of its divisors is an integer number (37946496).

Almost surely, 2^325255620 is an apocalyptic number.

325255620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325255620 is an abundant number, since it is smaller than the sum of its proper divisors (585460284).

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

325255620 is a wasteful number, since it uses less digits than its factorization.

325255620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420939 (or 5420937 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 325255620 is about 18034.8446070378. The cubic root of 325255620 is about 687.7146401991.

The spelling of 325255620 in words is "three hundred twenty-five million, two hundred fifty-five thousand, six hundred twenty".