1000739825 has 12 divisors (see below), whose sum is σ = 1241514288. Its totient is φ = 800206800.

The previous prime is 1000739771. The next prime is 1000739869. The reversal of 1000739825 is 5289370001.

It is not a de Polignac number, because 1000739825 - 2¹⁰ = 1000738801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 50834 + ... + 67716.

It is an arithmetic number, because the mean of its divisors is an integer number (103459524).

Almost surely, 2^1000739825 is an apocalyptic number.

It is an amenable number.

1000739825 is a deficient number, since it is larger than the sum of its proper divisors (240774463).

1000739825 is a wasteful number, since it uses less digits than its factorization.

1000739825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19264 (or 19259 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1000739825 is about 31634.4720992780. The cubic root of 1000739825 is about 1000.2465475426.

The spelling of 1000739825 in words is "one billion, seven hundred thirty-nine thousand, eight hundred twenty-five".