13425157 has 2 divisors, whose sum is σ = 13425158. Its totient is φ = 13425156.

The previous prime is 13425151. The next prime is 13425187. The reversal of 13425157 is 75152431.

It is a happy number.

13425157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13351716 + 73441 = 3654^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 13425157 - 2³ = 13425149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13425151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712578 + 6712579.

It is an arithmetic number, because the mean of its divisors is an integer number (6712579).

Almost surely, 2^13425157 is an apocalyptic number.

It is an amenable number.

13425157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425157 is an equidigital number, since it uses as much as digits as its factorization.

13425157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 13425157 is about 3664.0356166391. The cubic root of 13425157 is about 237.6693204399.

Adding to 13425157 its reverse (75152431), we get a palindrome (88577588).

The spelling of 13425157 in words is "thirteen million, four hundred twenty-five thousand, one hundred fifty-seven".