2405045217 has 16 divisors (see below), whose sum is σ = 3220436160. Its totient is φ = 1596525312.

The previous prime is 2405045191. The next prime is 2405045239. The reversal of 2405045217 is 7125405042.

2405045217 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2405045217 - 2⁷ = 2405045089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2405045287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778558 + ... + 781640.

It is an arithmetic number, because the mean of its divisors is an integer number (201277260).

Almost surely, 2^2405045217 is an apocalyptic number.

It is an amenable number.

2405045217 is a deficient number, since it is larger than the sum of its proper divisors (815390943).

2405045217 is a wasteful number, since it uses less digits than its factorization.

2405045217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 2405045217 is about 49041.2603528906. The cubic root of 2405045217 is about 1339.8034197779.

The spelling of 2405045217 in words is "two billion, four hundred five million, forty-five thousand, two hundred seventeen".