405041325 has 24 divisors (see below), whose sum is σ = 721183008. Its totient is φ = 199404480.

The previous prime is 405041279. The next prime is 405041333. The reversal of 405041325 is 523140504.

It is not a de Polignac number, because 405041325 - 2⁶ = 405041261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405041295 and 405041304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206739 + ... + 208688.

It is an arithmetic number, because the mean of its divisors is an integer number (30049292).

Almost surely, 2^405041325 is an apocalyptic number.

It is an amenable number.

405041325 is a deficient number, since it is larger than the sum of its proper divisors (316141683).

405041325 is a wasteful number, since it uses less digits than its factorization.

405041325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415453 (or 415448 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 405041325 is about 20125.6384991880. The cubic root of 405041325 is about 739.8887859406. Note that the first 3 decimals are identical.

Adding to 405041325 its reverse (523140504), we get a palindrome (928181829).

The spelling of 405041325 in words is "four hundred five million, forty-one thousand, three hundred twenty-five".