405023325 has 24 divisors (see below), whose sum is σ = 765302208. Its totient is φ = 185153280.

The previous prime is 405023291. The next prime is 405023327. The reversal of 405023325 is 523320504.

It is not a de Polignac number, because 405023325 - 2¹⁵ = 404990557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405023295 and 405023304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405023327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385212 + ... + 386261.

It is an arithmetic number, because the mean of its divisors is an integer number (31887592).

Almost surely, 2^405023325 is an apocalyptic number.

It is an amenable number.

405023325 is a deficient number, since it is larger than the sum of its proper divisors (360278883).

405023325 is a wasteful number, since it uses less digits than its factorization.

405023325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771493 (or 771488 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 405023325 is about 20125.1913034386. The cubic root of 405023325 is about 739.8778255812.

Adding to 405023325 its reverse (523320504), we get a palindrome (928343829).

The spelling of 405023325 in words is "four hundred five million, twenty-three thousand, three hundred twenty-five".