255064521427 has 2 divisors, whose sum is σ = 255064521428. Its totient is φ = 255064521426.

The previous prime is 255064521359. The next prime is 255064521553. The reversal of 255064521427 is 724125460552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255064521427 is a prime.

It is not a weakly prime, because it can be changed into another prime (255064528427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127532260713 + 127532260714.

It is an arithmetic number, because the mean of its divisors is an integer number (127532260714).

Almost surely, 2^255064521427 is an apocalyptic number.

255064521427 is a deficient number, since it is larger than the sum of its proper divisors (1).

255064521427 is an equidigital number, since it uses as much as digits as its factorization.

255064521427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672000, while the sum is 43.

Adding to 255064521427 its reverse (724125460552), we get a palindrome (979189981979).

The spelling of 255064521427 in words is "two hundred fifty-five billion, sixty-four million, five hundred twenty-one thousand, four hundred twenty-seven".