255654610417 has 2 divisors, whose sum is σ = 255654610418. Its totient is φ = 255654610416.

The previous prime is 255654610399. The next prime is 255654610429. The reversal of 255654610417 is 714016456552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227108480481 + 28546129936 = 476559^2 + 168956^2 .

It is a cyclic number.

It is not a de Polignac number, because 255654610417 - 2¹¹ = 255654608369 is a prime.

It is not a weakly prime, because it can be changed into another prime (255654610817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127827305208 + 127827305209.

It is an arithmetic number, because the mean of its divisors is an integer number (127827305209).

Almost surely, 2^255654610417 is an apocalyptic number.

It is an amenable number.

255654610417 is a deficient number, since it is larger than the sum of its proper divisors (1).

255654610417 is an equidigital number, since it uses as much as digits as its factorization.

255654610417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 255654610417 in words is "two hundred fifty-five billion, six hundred fifty-four million, six hundred ten thousand, four hundred seventeen".