1005404241 has 4 divisors (see below), whose sum is σ = 1340538992. Its totient is φ = 670269492.

The previous prime is 1005404237. The next prime is 1005404261. The reversal of 1005404241 is 1424045001.

It is a happy number.

1005404241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1005404241 - 2² = 1005404237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1005404261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167567371 + ... + 167567376.

It is an arithmetic number, because the mean of its divisors is an integer number (335134748).

Almost surely, 2^1005404241 is an apocalyptic number.

It is an amenable number.

1005404241 is a deficient number, since it is larger than the sum of its proper divisors (335134751).

1005404241 is an equidigital number, since it uses as much as digits as its factorization.

1005404241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335134750.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1005404241 is about 31708.1100193626. The cubic root of 1005404241 is about 1001.7981782834.

Adding to 1005404241 its reverse (1424045001), we get a palindrome (2429449242).

The spelling of 1005404241 in words is "one billion, five million, four hundred four thousand, two hundred forty-one".