1000405633 has 2 divisors, whose sum is σ = 1000405634. Its totient is φ = 1000405632.

The previous prime is 1000405607. The next prime is 1000405697. The reversal of 1000405633 is 3365040001.

1000405633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 551686144 + 448719489 = 23488^2 + 21183^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000405633 - 2¹³ = 1000397441 is a prime.

It is a super-2 number, since 2×1000405633² = 2001622861076261378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000405603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500202816 + 500202817.

It is an arithmetic number, because the mean of its divisors is an integer number (500202817).

Almost surely, 2^1000405633 is an apocalyptic number.

It is an amenable number.

1000405633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000405633 is an equidigital number, since it uses as much as digits as its factorization.

1000405633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1000405633 is about 31629.1895722922. The cubic root of 1000405633 is about 1000.1351927221.

Adding to 1000405633 its reverse (3365040001), we get a palindrome (4365445634).

The spelling of 1000405633 in words is "one billion, four hundred five thousand, six hundred thirty-three".