405323325 has 96 divisors (see below), whose sum is σ = 823756800. Its totient is φ = 193752000.

The previous prime is 405323311. The next prime is 405323329. The reversal of 405323325 is 523323504.

405323325 is a `hidden beast` number, since 405 + 3 + 233 + 25 = 666.

It is not a de Polignac number, because 405323325 - 2⁸ = 405323069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405323329) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 586230 + ... + 586920.

It is an arithmetic number, because the mean of its divisors is an integer number (8580800).

Almost surely, 2^405323325 is an apocalyptic number.

405323325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

405323325 is an abundant number, since it is smaller than the sum of its proper divisors (418433475).

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

405323325 is a wasteful number, since it uses less digits than its factorization.

405323325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 405323325 is about 20132.6432690792. The cubic root of 405323325 is about 740.0604558594.

Adding to 405323325 its reverse (523323504), we get a palindrome (928646829).

The spelling of 405323325 in words is "four hundred five million, three hundred twenty-three thousand, three hundred twenty-five".