13553503253 has 2 divisors, whose sum is σ = 13553503254. Its totient is φ = 13553503252.

The previous prime is 13553503219. The next prime is 13553503259. The reversal of 13553503253 is 35230535531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12472869124 + 1080634129 = 111682^2 + 32873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13553503253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13553503259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776751626 + 6776751627.

It is an arithmetic number, because the mean of its divisors is an integer number (6776751627).

Almost surely, 2^13553503253 is an apocalyptic number.

It is an amenable number.

13553503253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13553503253 is an equidigital number, since it uses as much as digits as its factorization.

13553503253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101250, while the sum is 35.

The spelling of 13553503253 in words is "thirteen billion, five hundred fifty-three million, five hundred three thousand, two hundred fifty-three".