255956653 has 2 divisors, whose sum is σ = 255956654. Its totient is φ = 255956652.

The previous prime is 255956651. The next prime is 255956669. The reversal of 255956653 is 356659552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245799684 + 10156969 = 15678^2 + 3187^2 .

It is a cyclic number.

It is not a de Polignac number, because 255956653 - 2¹ = 255956651 is a prime.

Together with 255956651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255956651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127978326 + 127978327.

It is an arithmetic number, because the mean of its divisors is an integer number (127978327).

Almost surely, 2^255956653 is an apocalyptic number.

It is an amenable number.

255956653 is a deficient number, since it is larger than the sum of its proper divisors (1).

255956653 is an equidigital number, since it uses as much as digits as its factorization.

255956653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1215000, while the sum is 46.

The square root of 255956653 is about 15998.6453489038. The cubic root of 255956653 is about 634.9245807053.

The spelling of 255956653 in words is "two hundred fifty-five million, nine hundred fifty-six thousand, six hundred fifty-three".