1031825812 has 24 divisors (see below), whose sum is σ = 1914179904. Its totient is φ = 484989312.

The previous prime is 1031825791. The next prime is 1031825813. The reversal of 1031825812 is 2185281301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031825813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51763 + ... + 68869.

It is an arithmetic number, because the mean of its divisors is an integer number (79757496).

Almost surely, 2^1031825812 is an apocalyptic number.

It is an amenable number.

1031825812 is a deficient number, since it is larger than the sum of its proper divisors (882354092).

1031825812 is a wasteful number, since it uses less digits than its factorization.

1031825812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18015 (or 18013 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1031825812 is about 32122.0455762082. The cubic root of 1031825812 is about 1010.4980101277.

The spelling of 1031825812 in words is "one billion, thirty-one million, eight hundred twenty-five thousand, eight hundred twelve".