255629111 has 2 divisors, whose sum is σ = 255629112. Its totient is φ = 255629110.

The previous prime is 255629063. The next prime is 255629147. The reversal of 255629111 is 111926552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255629111 - 2¹⁴ = 255612727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255629161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127814555 + 127814556.

It is an arithmetic number, because the mean of its divisors is an integer number (127814556).

Almost surely, 2^255629111 is an apocalyptic number.

255629111 is a deficient number, since it is larger than the sum of its proper divisors (1).

255629111 is an equidigital number, since it uses as much as digits as its factorization.

255629111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 32.

The square root of 255629111 is about 15988.4055177494. The cubic root of 255629111 is about 634.6536321718.

The spelling of 255629111 in words is "two hundred fifty-five million, six hundred twenty-nine thousand, one hundred eleven".