255564119 has 2 divisors, whose sum is σ = 255564120. Its totient is φ = 255564118.

The previous prime is 255564103. The next prime is 255564121. The reversal of 255564119 is 911465552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255564119 - 2⁴ = 255564103 is a prime.

It is a super-2 number, since 2×255564119² = 130626037840492322, which contains 22 as substring.

Together with 255564121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255524119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127782059 + 127782060.

It is an arithmetic number, because the mean of its divisors is an integer number (127782060).

Almost surely, 2^255564119 is an apocalyptic number.

255564119 is a deficient number, since it is larger than the sum of its proper divisors (1).

255564119 is an equidigital number, since it uses as much as digits as its factorization.

255564119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 38.

The square root of 255564119 is about 15986.3729157054. The cubic root of 255564119 is about 634.5998421257.

The spelling of 255564119 in words is "two hundred fifty-five million, five hundred sixty-four thousand, one hundred nineteen".