255638941 has 8 divisors (see below), whose sum is σ = 259378560. Its totient is φ = 251922048.

The previous prime is 255638897. The next prime is 255638959. The reversal of 255638941 is 149836552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255638941 - 2¹¹ = 255636893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255638441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17670 + ... + 28696.

It is an arithmetic number, because the mean of its divisors is an integer number (32422320).

Almost surely, 2^255638941 is an apocalyptic number.

It is an amenable number.

255638941 is a deficient number, since it is larger than the sum of its proper divisors (3739619).

255638941 is a wasteful number, since it uses less digits than its factorization.

255638941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363.

The product of its digits is 259200, while the sum is 43.

The square root of 255638941 is about 15988.7129250606. The cubic root of 255638941 is about 634.6617670894.

The spelling of 255638941 in words is "two hundred fifty-five million, six hundred thirty-eight thousand, nine hundred forty-one".