255403501027 has 2 divisors, whose sum is σ = 255403501028. Its totient is φ = 255403501026.

The previous prime is 255403500977. The next prime is 255403501049. The reversal of 255403501027 is 720105304552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255403501027 - 2²⁷ = 255269283299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255403500983 and 255403501001.

It is not a weakly prime, because it can be changed into another prime (255403801027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127701750513 + 127701750514.

It is an arithmetic number, because the mean of its divisors is an integer number (127701750514).

Almost surely, 2^255403501027 is an apocalyptic number.

255403501027 is a deficient number, since it is larger than the sum of its proper divisors (1).

255403501027 is an equidigital number, since it uses as much as digits as its factorization.

255403501027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 34.

Adding to 255403501027 its reverse (720105304552), we get a palindrome (975508805579).

The spelling of 255403501027 in words is "two hundred fifty-five billion, four hundred three million, five hundred one thousand, twenty-seven".