255921119 has 4 divisors (see below), whose sum is σ = 262837944. Its totient is φ = 249004296.

The previous prime is 255921103. The next prime is 255921181. The reversal of 255921119 is 911129552.

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 255921119 - 2⁴ = 255921103 is a prime.

It is a super-2 number, since 2×255921119² = 130991238300424322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255921199) 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, 3458357 + ... + 3458430.

It is an arithmetic number, because the mean of its divisors is an integer number (65709486).

Almost surely, 2^255921119 is an apocalyptic number.

255921119 is a deficient number, since it is larger than the sum of its proper divisors (6916825).

255921119 is an equidigital number, since it uses as much as digits as its factorization.

255921119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916824.

The product of its digits is 8100, while the sum is 35.

The square root of 255921119 is about 15997.5347788339. The cubic root of 255921119 is about 634.8951975344.

The spelling of 255921119 in words is "two hundred fifty-five million, nine hundred twenty-one thousand, one hundred nineteen".