13557087253 has 2 divisors, whose sum is σ = 13557087254. Its totient is φ = 13557087252.

The previous prime is 13557087239. The next prime is 13557087277. The reversal of 13557087253 is 35278075531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9104594724 + 4452492529 = 95418^2 + 66727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13557087253 is a prime.

It is a super-2 number, since 2×13557087253² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13557087953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6778543626 + 6778543627.

It is an arithmetic number, because the mean of its divisors is an integer number (6778543627).

Almost surely, 2^13557087253 is an apocalyptic number.

It is an amenable number.

13557087253 is a deficient number, since it is larger than the sum of its proper divisors (1).

13557087253 is an equidigital number, since it uses as much as digits as its factorization.

13557087253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 13557087253 in words is "thirteen billion, five hundred fifty-seven million, eighty-seven thousand, two hundred fifty-three".