255205337417 has 2 divisors, whose sum is σ = 255205337418. Its totient is φ = 255205337416.

The previous prime is 255205337399. The next prime is 255205337437. The reversal of 255205337417 is 714733502552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252401740816 + 2803596601 = 502396^2 + 52949^2 .

It is a cyclic number.

It is not a de Polignac number, because 255205337417 - 2⁶ = 255205337353 is a prime.

It is a super-2 number, since 2×255205337417² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255205337437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127602668708 + 127602668709.

It is an arithmetic number, because the mean of its divisors is an integer number (127602668709).

Almost surely, 2^255205337417 is an apocalyptic number.

It is an amenable number.

255205337417 is a deficient number, since it is larger than the sum of its proper divisors (1).

255205337417 is an equidigital number, since it uses as much as digits as its factorization.

255205337417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882000, while the sum is 44.

Adding to 255205337417 its reverse (714733502552), we get a palindrome (969938839969).

The spelling of 255205337417 in words is "two hundred fifty-five billion, two hundred five million, three hundred thirty-seven thousand, four hundred seventeen".