255242551241357 has 2 divisors, whose sum is σ = 255242551241358. Its totient is φ = 255242551241356.

The previous prime is 255242551241351. The next prime is 255242551241459. The reversal of 255242551241357 is 753142155242552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193033065725956 + 62209485515401 = 13893634^2 + 7887299^2 .

It is a cyclic number.

It is not a de Polignac number, because 255242551241357 - 2²⁸ = 255242282805901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255242551241299 and 255242551241308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255242551241351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127621275620678 + 127621275620679.

It is an arithmetic number, because the mean of its divisors is an integer number (127621275620679).

Almost surely, 2^{255242551241357} is an apocalyptic number.

It is an amenable number.

255242551241357 is a deficient number, since it is larger than the sum of its proper divisors (1).

255242551241357 is an equidigital number, since it uses as much as digits as its factorization.

255242551241357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800000, while the sum is 53.

The spelling of 255242551241357 in words is "two hundred fifty-five trillion, two hundred forty-two billion, five hundred fifty-one million, two hundred forty-one thousand, three hundred fifty-seven".