1233005002553 has 2 divisors, whose sum is σ = 1233005002554. Its totient is φ = 1233005002552.

The previous prime is 1233005002531. The next prime is 1233005002571. The reversal of 1233005002553 is 3552005003321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 987215126569 + 245789875984 = 993587^2 + 495772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233005002553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233005002253) 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, 616502501276 + 616502501277.

It is an arithmetic number, because the mean of its divisors is an integer number (616502501277).

Almost surely, 2^{1233005002553} is an apocalyptic number.

It is an amenable number.

1233005002553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233005002553 is an equidigital number, since it uses as much as digits as its factorization.

1233005002553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 1233005002553 in words is "one trillion, two hundred thirty-three billion, five million, two thousand, five hundred fifty-three".