409925041 has 4 divisors (see below), whose sum is σ = 410205184. Its totient is φ = 409644900.

The previous prime is 409924987. The next prime is 409925053. The reversal of 409925041 is 140529904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 409925041 - 2²⁵ = 376370609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 409924988 and 409925006.

It is not an unprimeable number, because it can be changed into a prime (409925071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137865 + ... + 140806.

It is an arithmetic number, because the mean of its divisors is an integer number (102551296).

Almost surely, 2^409925041 is an apocalyptic number.

It is an amenable number.

409925041 is a deficient number, since it is larger than the sum of its proper divisors (280143).

409925041 is a wasteful number, since it uses less digits than its factorization.

409925041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280142.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 409925041 is about 20246.6056661357. The cubic root of 409925041 is about 742.8506076190.

The spelling of 409925041 in words is "four hundred nine million, nine hundred twenty-five thousand, forty-one".