1000003198253 has 2 divisors, whose sum is σ = 1000003198254. Its totient is φ = 1000003198252.

The previous prime is 1000003198247. The next prime is 1000003198267. The reversal of 1000003198253 is 3528913000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 938567627209 + 61435571044 = 968797^2 + 247862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000003198253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000003195253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500001599126 + 500001599127.

It is an arithmetic number, because the mean of its divisors is an integer number (500001599127).

Almost surely, 2^{1000003198253} is an apocalyptic number.

It is an amenable number.

1000003198253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000003198253 is an equidigital number, since it uses as much as digits as its factorization.

1000003198253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 1000003198253 its reverse (3528913000001), we get a palindrome (4528916198254).

The spelling of 1000003198253 in words is "one trillion, three million, one hundred ninety-eight thousand, two hundred fifty-three".