2001405241 has 8 divisors (see below), whose sum is σ = 2184784704. Its totient is φ = 1818264720.

The previous prime is 2001405209. The next prime is 2001405251. The reversal of 2001405241 is 1425041002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001405241 - 2⁵ = 2001405209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001405251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41986 + ... + 75931.

It is an arithmetic number, because the mean of its divisors is an integer number (273098088).

Almost surely, 2^2001405241 is an apocalyptic number.

It is an amenable number.

2001405241 is a deficient number, since it is larger than the sum of its proper divisors (183379463).

2001405241 is a wasteful number, since it uses less digits than its factorization.

2001405241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119471.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2001405241 is about 44737.0678632384. The cubic root of 2001405241 is about 1260.2160629309.

Adding to 2001405241 its reverse (1425041002), we get a palindrome (3426446243).

The spelling of 2001405241 in words is "two billion, one million, four hundred five thousand, two hundred forty-one".