10042993 has 2 divisors, whose sum is σ = 10042994. Its totient is φ = 10042992.

The previous prime is 10042987. The next prime is 10043009. The reversal of 10042993 is 39924001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9591409 + 451584 = 3097^2 + 672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10042993 is a prime.

It is not a weakly prime, because it can be changed into another prime (10042943) 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 as a sum of consecutive naturals, namely, 5021496 + 5021497.

It is an arithmetic number, because the mean of its divisors is an integer number (5021497).

Almost surely, 2^10042993 is an apocalyptic number.

It is an amenable number.

10042993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10042993 is an equidigital number, since it uses as much as digits as its factorization.

10042993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 10042993 is about 3169.0681595699. The cubic root of 10042993 is about 215.7517796199.

Adding to 10042993 its reverse (39924001), we get a palindrome (49966994).

The spelling of 10042993 in words is "ten million, forty-two thousand, nine hundred ninety-three".