255713971 has 2 divisors, whose sum is σ = 255713972. Its totient is φ = 255713970.

The previous prime is 255713959. The next prime is 255714049. The reversal of 255713971 is 179317552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255713971 - 2⁹ = 255713459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255711971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127856985 + 127856986.

It is an arithmetic number, because the mean of its divisors is an integer number (127856986).

Almost surely, 2^255713971 is an apocalyptic number.

255713971 is a deficient number, since it is larger than the sum of its proper divisors (1).

255713971 is an equidigital number, since it uses as much as digits as its factorization.

255713971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 40.

The square root of 255713971 is about 15991.0590956322. The cubic root of 255713971 is about 634.7238520679.

The spelling of 255713971 in words is "two hundred fifty-five million, seven hundred thirteen thousand, nine hundred seventy-one".