1003253104391 has 2 divisors, whose sum is σ = 1003253104392. Its totient is φ = 1003253104390.

The previous prime is 1003253104327. The next prime is 1003253104397. The reversal of 1003253104391 is 1934013523001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1003253104391 - 2⁶ = 1003253104327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003253104397) 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, 501626552195 + 501626552196.

It is an arithmetic number, because the mean of its divisors is an integer number (501626552196).

Almost surely, 2^{1003253104391} is an apocalyptic number.

1003253104391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003253104391 is an equidigital number, since it uses as much as digits as its factorization.

1003253104391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 1003253104391 its reverse (1934013523001), we get a palindrome (2937266627392).

The spelling of 1003253104391 in words is "one trillion, three billion, two hundred fifty-three million, one hundred four thousand, three hundred ninety-one".