255348565597 has 2 divisors, whose sum is σ = 255348565598. Its totient is φ = 255348565596.

The previous prime is 255348565411. The next prime is 255348565601. The reversal of 255348565597 is 795565843552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253425655396 + 1922910201 = 503414^2 + 43851^2 .

It is a cyclic number.

It is not a de Polignac number, because 255348565597 - 2¹⁹ = 255348041309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255348568597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127674282798 + 127674282799.

It is an arithmetic number, because the mean of its divisors is an integer number (127674282799).

Almost surely, 2^255348565597 is an apocalyptic number.

It is an amenable number.

255348565597 is a deficient number, since it is larger than the sum of its proper divisors (1).

255348565597 is an equidigital number, since it uses as much as digits as its factorization.

255348565597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800000, while the sum is 64.

The spelling of 255348565597 in words is "two hundred fifty-five billion, three hundred forty-eight million, five hundred sixty-five thousand, five hundred ninety-seven".