13554157 has 2 divisors, whose sum is σ = 13554158. Its totient is φ = 13554156.

The previous prime is 13554143. The next prime is 13554169. The reversal of 13554157 is 75145531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 1121481 = 3526^2 + 1059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13554157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13554127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6777078 + 6777079.

It is an arithmetic number, because the mean of its divisors is an integer number (6777079).

Almost surely, 2^13554157 is an apocalyptic number.

It is an amenable number.

13554157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13554157 is an equidigital number, since it uses as much as digits as its factorization.

13554157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 31.

The square root of 13554157 is about 3681.5970719241. The cubic root of 13554157 is about 238.4281362243.

Adding to 13554157 its reverse (75145531), we get a palindrome (88699688).

The spelling of 13554157 in words is "thirteen million, five hundred fifty-four thousand, one hundred fifty-seven".