1006815425 has 24 divisors (see below), whose sum is σ = 1556513472. Its totient is φ = 627624000.

The previous prime is 1006815391. The next prime is 1006815443. The reversal of 1006815425 is 5245186001.

It is not a de Polignac number, because 1006815425 - 2¹⁶ = 1006749889 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1006815391 and 1006815400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259586 + ... + 263435.

It is an arithmetic number, because the mean of its divisors is an integer number (64854728).

Almost surely, 2^1006815425 is an apocalyptic number.

It is an amenable number.

1006815425 is a deficient number, since it is larger than the sum of its proper divisors (549698047).

1006815425 is a wasteful number, since it uses less digits than its factorization.

1006815425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523049 (or 523044 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1006815425 is about 31730.3549460134. The cubic root of 1006815425 is about 1002.2666666736.

The spelling of 1006815425 in words is "one billion, six million, eight hundred fifteen thousand, four hundred twenty-five".