13875331 has 2 divisors, whose sum is σ = 13875332. Its totient is φ = 13875330.

The previous prime is 13875307. The next prime is 13875353. The reversal of 13875331 is 13357831.

It is a happy number.

13875331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13875331 - 2⁵ = 13875299 is a prime.

It is a super-2 number, since 2×13875331² = 385049620719122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13875293 and 13875302.

It is not a weakly prime, because it can be changed into another prime (13875361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937665 + 6937666.

It is an arithmetic number, because the mean of its divisors is an integer number (6937666).

Almost surely, 2^13875331 is an apocalyptic number.

13875331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13875331 is an equidigital number, since it uses as much as digits as its factorization.

13875331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 13875331 is about 3724.9605367037. The cubic root of 13875331 is about 240.2966874826.

The spelling of 13875331 in words is "thirteen million, eight hundred seventy-five thousand, three hundred thirty-one".