255486629 has 2 divisors, whose sum is σ = 255486630. Its totient is φ = 255486628.

The previous prime is 255486619. The next prime is 255486643. The reversal of 255486629 is 926684552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231496225 + 23990404 = 15215^2 + 4898^2 .

It is a cyclic number.

It is not a de Polignac number, because 255486629 - 2⁸ = 255486373 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255486619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127743314 + 127743315.

It is an arithmetic number, because the mean of its divisors is an integer number (127743315).

Almost surely, 2^255486629 is an apocalyptic number.

It is an amenable number.

255486629 is a deficient number, since it is larger than the sum of its proper divisors (1).

255486629 is an equidigital number, since it uses as much as digits as its factorization.

255486629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 47.

The square root of 255486629 is about 15983.9491052743. The cubic root of 255486629 is about 634.5356963020.

The spelling of 255486629 in words is "two hundred fifty-five million, four hundred eighty-six thousand, six hundred twenty-nine".