2912830825 has 24 divisors (see below), whose sum is σ = 3678454296. Its totient is φ = 2287488000.

The previous prime is 2912830807. The next prime is 2912830849. The reversal of 2912830825 is 5280382192.

It can be written as a sum of positive squares in 12 ways, for example, as 1025536576 + 1887294249 = 32024^2 + 43443^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2912830825 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 23 ways as a sum of consecutive naturals, for example, 902715 + ... + 905935.

It is an arithmetic number, because the mean of its divisors is an integer number (153268929).

Almost surely, 2^2912830825 is an apocalyptic number.

2912830825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2912830825 is a deficient number, since it is larger than the sum of its proper divisors (765623471).

2912830825 is a wasteful number, since it uses less digits than its factorization.

2912830825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 2912830825 is about 53970.6478097123. The cubic root of 2912830825 is about 1428.1431921066.

The spelling of 2912830825 in words is "two billion, nine hundred twelve million, eight hundred thirty thousand, eight hundred twenty-five".