13553500253 has 2 divisors, whose sum is σ = 13553500254. Its totient is φ = 13553500252.

The previous prime is 13553500231. The next prime is 13553500307. The reversal of 13553500253 is 35200535531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12454113604 + 1099386649 = 111598^2 + 33157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13553500253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13553503253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776750126 + 6776750127.

It is an arithmetic number, because the mean of its divisors is an integer number (6776750127).

Almost surely, 2^13553500253 is an apocalyptic number.

It is an amenable number.

13553500253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13553500253 is an equidigital number, since it uses as much as digits as its factorization.

13553500253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 13553500253 in words is "thirteen billion, five hundred fifty-three million, five hundred thousand, two hundred fifty-three".