1000405053 has 16 divisors (see below), whose sum is σ = 1485475200. Its totient is φ = 665409600.

The previous prime is 1000405037. The next prime is 1000405111. The reversal of 1000405053 is 3505040001.

It is not a de Polignac number, because 1000405053 - 2⁴ = 1000405037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000400053) 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 15 ways as a sum of consecutive naturals, for example, 30348 + ... + 54053.

It is an arithmetic number, because the mean of its divisors is an integer number (92842200).

Almost surely, 2^1000405053 is an apocalyptic number.

It is an amenable number.

1000405053 is a deficient number, since it is larger than the sum of its proper divisors (485070147).

1000405053 is an equidigital number, since it uses as much as digits as its factorization.

1000405053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84849 (or 84843 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1000405053 is about 31629.1804035451. The cubic root of 1000405053 is about 1000.1349994410.

Adding to 1000405053 its reverse (3505040001), we get a palindrome (4505445054).

The spelling of 1000405053 in words is "one billion, four hundred five thousand, fifty-three".