255463171 has 2 divisors, whose sum is σ = 255463172. Its totient is φ = 255463170.

The previous prime is 255463147. The next prime is 255463193. The reversal of 255463171 is 171364552.

255463171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255463171 is a prime.

It is a super-2 number, since 2×255463171² = 130522863474750482, which contains 22 as substring.

It is equal to p_13961734 and since 255463171 and 13961734 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (255463121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127731585 + 127731586.

It is an arithmetic number, because the mean of its divisors is an integer number (127731586).

Almost surely, 2^255463171 is an apocalyptic number.

255463171 is a deficient number, since it is larger than the sum of its proper divisors (1).

255463171 is an equidigital number, since it uses as much as digits as its factorization.

255463171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 255463171 is about 15983.2152897970. The cubic root of 255463171 is about 634.5162753327.

The spelling of 255463171 in words is "two hundred fifty-five million, four hundred sixty-three thousand, one hundred seventy-one".