255562603193 has 2 divisors, whose sum is σ = 255562603194. Its totient is φ = 255562603192.

The previous prime is 255562603139. The next prime is 255562603199. The reversal of 255562603193 is 391306265552.

Together with previous prime (255562603139) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255562603024 + 169 = 505532^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 255562603193 - 2³² = 251267635897 is a prime.

It is not a weakly prime, because it can be changed into another prime (255562603199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127781301596 + 127781301597.

It is an arithmetic number, because the mean of its divisors is an integer number (127781301597).

Almost surely, 2^255562603193 is an apocalyptic number.

It is an amenable number.

255562603193 is a deficient number, since it is larger than the sum of its proper divisors (1).

255562603193 is an equidigital number, since it uses as much as digits as its factorization.

255562603193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 47.

The spelling of 255562603193 in words is "two hundred fifty-five billion, five hundred sixty-two million, six hundred three thousand, one hundred ninety-three".