255923893 has 4 divisors (see below), whose sum is σ = 256118080. Its totient is φ = 255729708.

The previous prime is 255923851. The next prime is 255923929. The reversal of 255923893 is 398329552.

It is a happy number.

255923893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 255923893 - 2¹³ = 255915701 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 (255923813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95103 + ... + 97756.

It is an arithmetic number, because the mean of its divisors is an integer number (64029520).

Almost surely, 2^255923893 is an apocalyptic number.

It is an amenable number.

255923893 is a deficient number, since it is larger than the sum of its proper divisors (194187).

255923893 is a wasteful number, since it uses less digits than its factorization.

255923893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194186.

The product of its digits is 583200, while the sum is 46.

The square root of 255923893 is about 15997.6214794575. The cubic root of 255923893 is about 634.8974914612.

The spelling of 255923893 in words is "two hundred fifty-five million, nine hundred twenty-three thousand, eight hundred ninety-three".