255451139 has 2 divisors, whose sum is σ = 255451140. Its totient is φ = 255451138.

The previous prime is 255451127. The next prime is 255451151. The reversal of 255451139 is 931154552.

It is a balanced prime because it is at equal distance from previous prime (255451127) and next prime (255451151).

It is a cyclic number.

It is not a de Polignac number, because 255451139 - 2⁴ = 255451123 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 255451099 and 255451108.

It is not a weakly prime, because it can be changed into another prime (255451109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127725569 + 127725570.

It is an arithmetic number, because the mean of its divisors is an integer number (127725570).

Almost surely, 2^255451139 is an apocalyptic number.

255451139 is a deficient number, since it is larger than the sum of its proper divisors (1).

255451139 is an equidigital number, since it uses as much as digits as its factorization.

255451139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 35.

The square root of 255451139 is about 15982.8388905100. The cubic root of 255451139 is about 634.5063135319.

The spelling of 255451139 in words is "two hundred fifty-five million, four hundred fifty-one thousand, one hundred thirty-nine".