255501061 has 2 divisors, whose sum is σ = 255501062. Its totient is φ = 255501060.

The previous prime is 255501031. The next prime is 255501091. The reversal of 255501061 is 160105552.

255501061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (255501031) and next prime (255501091).

It can be written as a sum of positive squares in only one way, i.e., 163456225 + 92044836 = 12785^2 + 9594^2 .

It is a cyclic number.

It is not a de Polignac number, because 255501061 - 2⁹ = 255500549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255501031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127750530 + 127750531.

It is an arithmetic number, because the mean of its divisors is an integer number (127750531).

Almost surely, 2^255501061 is an apocalyptic number.

It is an amenable number.

255501061 is a deficient number, since it is larger than the sum of its proper divisors (1).

255501061 is an equidigital number, since it uses as much as digits as its factorization.

255501061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 255501061 is about 15984.4005517880. The cubic root of 255501061 is about 634.5476440202.

The spelling of 255501061 in words is "two hundred fifty-five million, five hundred one thousand, sixty-one".