255071983 has 4 divisors (see below), whose sum is σ = 255285568. Its totient is φ = 254858400.

The previous prime is 255071951. The next prime is 255071989. The reversal of 255071983 is 389170552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255071983 - 2⁵ = 255071951 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 (255071989) 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, 104991 + ... + 107392.

It is an arithmetic number, because the mean of its divisors is an integer number (63821392).

Almost surely, 2^255071983 is an apocalyptic number.

255071983 is a deficient number, since it is larger than the sum of its proper divisors (213585).

255071983 is a wasteful number, since it uses less digits than its factorization.

255071983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213584.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 255071983 is about 15970.9731387915. The cubic root of 255071983 is about 634.1922338984.

The spelling of 255071983 in words is "two hundred fifty-five million, seventy-one thousand, nine hundred eighty-three".