10051813 has 2 divisors, whose sum is σ = 10051814. Its totient is φ = 10051812.

The previous prime is 10051801. The next prime is 10051841. The reversal of 10051813 is 31815001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8196769 + 1855044 = 2863^2 + 1362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10051813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10051213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025906 + 5025907.

It is an arithmetic number, because the mean of its divisors is an integer number (5025907).

Almost surely, 2^10051813 is an apocalyptic number.

It is an amenable number.

10051813 is a deficient number, since it is larger than the sum of its proper divisors (1).

10051813 is an equidigital number, since it uses as much as digits as its factorization.

10051813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 10051813 is about 3170.4594304296. The cubic root of 10051813 is about 215.8149206212.

Adding to 10051813 its reverse (31815001), we get a palindrome (41866814).

The spelling of 10051813 in words is "ten million, fifty-one thousand, eight hundred thirteen".