405417325 has 24 divisors (see below), whose sum is σ = 521170760. Its totient is φ = 312595200.

The previous prime is 405417289. The next prime is 405417367. The reversal of 405417325 is 523714504.

It can be written as a sum of positive squares in 12 ways, for example, as 84971524 + 320445801 = 9218^2 + 17901^2 .

It is not a de Polignac number, because 405417325 - 2⁷ = 405417197 is a prime.

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, 98815 + ... + 102835.

Almost surely, 2^405417325 is an apocalyptic number.

It is an amenable number.

405417325 is a deficient number, since it is larger than the sum of its proper divisors (115753435).

405417325 is a wasteful number, since it uses less digits than its factorization.

405417325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177 (or 4172 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 405417325 is about 20134.9776508443. The cubic root of 405417325 is about 740.1176614708.

The spelling of 405417325 in words is "four hundred five million, four hundred seventeen thousand, three hundred twenty-five".