1005465057 has 16 divisors (see below), whose sum is σ = 1352894592. Its totient is φ = 664191360.

The previous prime is 1005465053. The next prime is 1005465077. The reversal of 1005465057 is 7505645001.

It is not a de Polignac number, because 1005465057 - 2² = 1005465053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005465053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257403 + ... + 261279.

It is an arithmetic number, because the mean of its divisors is an integer number (84555912).

Almost surely, 2^1005465057 is an apocalyptic number.

It is an amenable number.

1005465057 is a deficient number, since it is larger than the sum of its proper divisors (347429535).

1005465057 is a wasteful number, since it uses less digits than its factorization.

1005465057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 1005465057 is about 31709.0690024163. The cubic root of 1005465057 is about 1001.8183771670.

The spelling of 1005465057 in words is "one billion, five million, four hundred sixty-five thousand, fifty-seven".