255165941 has 2 divisors, whose sum is σ = 255165942. Its totient is φ = 255165940.

The previous prime is 255165907. The next prime is 255166031. The reversal of 255165941 is 149561552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147525316 + 107640625 = 12146^2 + 10375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255165941 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 255165895 and 255165904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255165901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127582970 + 127582971.

It is an arithmetic number, because the mean of its divisors is an integer number (127582971).

Almost surely, 2^255165941 is an apocalyptic number.

It is an amenable number.

255165941 is a deficient number, since it is larger than the sum of its proper divisors (1).

255165941 is an equidigital number, since it uses as much as digits as its factorization.

255165941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 38.

The square root of 255165941 is about 15973.9143919078. The cubic root of 255165941 is about 634.2700944278.

The spelling of 255165941 in words is "two hundred fifty-five million, one hundred sixty-five thousand, nine hundred forty-one".