255751061 has 2 divisors, whose sum is σ = 255751062. Its totient is φ = 255751060.

The previous prime is 255751051. The next prime is 255751091. The reversal of 255751061 is 160157552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134420836 + 121330225 = 11594^2 + 11015^2 .

It is a cyclic number.

It is not a de Polignac number, because 255751061 - 2⁶ = 255750997 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 (255751021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127875530 + 127875531.

It is an arithmetic number, because the mean of its divisors is an integer number (127875531).

Almost surely, 2^255751061 is an apocalyptic number.

It is an amenable number.

255751061 is a deficient number, since it is larger than the sum of its proper divisors (1).

255751061 is an equidigital number, since it uses as much as digits as its factorization.

255751061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 255751061 is about 15992.2187641365. The cubic root of 255751061 is about 634.7545383974.

The spelling of 255751061 in words is "two hundred fifty-five million, seven hundred fifty-one thousand, sixty-one".