1073285993 has 4 divisors (see below), whose sum is σ = 1155846468. Its totient is φ = 990725520.

The previous prime is 1073285989. The next prime is 1073286001. The reversal of 1073285993 is 3995823701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 399520144 + 673765849 = 19988^2 + 25957^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073285993 - 2² = 1073285989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073285903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41280218 + ... + 41280243.

It is an arithmetic number, because the mean of its divisors is an integer number (288961617).

Almost surely, 2^1073285993 is an apocalyptic number.

1073285993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1073285993 is a deficient number, since it is larger than the sum of its proper divisors (82560475).

1073285993 is an equidigital number, since it uses as much as digits as its factorization.

1073285993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82560474.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 1073285993 is about 32761.0438325765. The cubic root of 1073285993 is about 1023.8550747175.

The spelling of 1073285993 in words is "one billion, seventy-three million, two hundred eighty-five thousand, nine hundred ninety-three".