255705941 has 4 divisors (see below), whose sum is σ = 260040000. Its totient is φ = 251371884.

The previous prime is 255705917. The next prime is 255705943. The reversal of 255705941 is 149507552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255705941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255705895 and 255705904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255705943) 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 in 3 ways as a sum of consecutive naturals, for example, 2166941 + ... + 2167058.

It is an arithmetic number, because the mean of its divisors is an integer number (65010000).

Almost surely, 2^255705941 is an apocalyptic number.

It is an amenable number.

255705941 is a deficient number, since it is larger than the sum of its proper divisors (4334059).

255705941 is an equidigital number, since it uses as much as digits as its factorization.

255705941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334058.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 255705941 is about 15990.8080158571. The cubic root of 255705941 is about 634.7172080744.

The spelling of 255705941 in words is "two hundred fifty-five million, seven hundred five thousand, nine hundred forty-one".