405325 has 12 divisors (see below), whose sum is σ = 519808. Its totient is φ = 313200.

The previous prime is 405323. The next prime is 405341. The reversal of 405325 is 523504.

It is a happy number.

It is not a de Polignac number, because 405325 - 2¹ = 405323 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

405325 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405323) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 514 + ... + 1036.

2⁴⁰⁵³²⁵ is an apocalyptic number.

It is an amenable number.

405325 is a deficient number, since it is larger than the sum of its proper divisors (114483).

405325 is a wasteful number, since it uses less digits than its factorization.

405325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 405325 is about 636.6513959774. The cubic root of 405325 is about 74.0061475292.

Adding to 405325 its reverse (523504), we get a palindrome (928829).

The spelling of 405325 in words is "four hundred five thousand, three hundred twenty-five".