13755331 has 2 divisors, whose sum is σ = 13755332. Its totient is φ = 13755330.

The previous prime is 13755323. The next prime is 13755337. The reversal of 13755331 is 13355731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13755331 - 2³ = 13755323 is a prime.

It is a super-2 number, since 2×13755331² = 378418261839122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13755331.

It is not a weakly prime, because it can be changed into another prime (13755337) 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, 6877665 + 6877666.

It is an arithmetic number, because the mean of its divisors is an integer number (6877666).

Almost surely, 2^13755331 is an apocalyptic number.

13755331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13755331 is an equidigital number, since it uses as much as digits as its factorization.

13755331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4725, while the sum is 28.

The square root of 13755331 is about 3708.8180057803. The cubic root of 13755331 is about 239.6019501366.

The spelling of 13755331 in words is "thirteen million, seven hundred fifty-five thousand, three hundred thirty-one".