2005245465 has 32 divisors (see below), whose sum is σ = 3380382720. Its totient is φ = 1012238784.

The previous prime is 2005245457. The next prime is 2005245469. The reversal of 2005245465 is 5645425002.

It is not a de Polignac number, because 2005245465 - 2³ = 2005245457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005245469) 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 31 ways as a sum of consecutive naturals, for example, 387022 + ... + 392168.

It is an arithmetic number, because the mean of its divisors is an integer number (105636960).

Almost surely, 2^2005245465 is an apocalyptic number.

It is an amenable number.

2005245465 is a deficient number, since it is larger than the sum of its proper divisors (1375137255).

2005245465 is a wasteful number, since it uses less digits than its factorization.

2005245465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 2005245465 is about 44779.9672286615. The cubic root of 2005245465 is about 1261.0215669626.

The spelling of 2005245465 in words is "two billion, five million, two hundred forty-five thousand, four hundred sixty-five".