1303253332481 has 2 divisors, whose sum is σ = 1303253332482. Its totient is φ = 1303253332480.

The previous prime is 1303253332477. The next prime is 1303253332553. The reversal of 1303253332481 is 1842333523031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736069623025 + 567183709456 = 857945^2 + 753116^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303253332481 - 2² = 1303253332477 is a prime.

It is a super-3 number, since 3×1303253332481³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1303253332411) 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, 651626666240 + 651626666241.

It is an arithmetic number, because the mean of its divisors is an integer number (651626666241).

Almost surely, 2^{1303253332481} is an apocalyptic number.

It is an amenable number.

1303253332481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303253332481 is an equidigital number, since it uses as much as digits as its factorization.

1303253332481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 1303253332481 in words is "one trillion, three hundred three billion, two hundred fifty-three million, three hundred thirty-two thousand, four hundred eighty-one".