255286061 has 2 divisors, whose sum is σ = 255286062. Its totient is φ = 255286060.

The previous prime is 255286027. The next prime is 255286063. The reversal of 255286061 is 160682552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253128100 + 2157961 = 15910^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 255286061 - 2⁶ = 255285997 is a prime.

Together with 255286063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255286063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127643030 + 127643031.

It is an arithmetic number, because the mean of its divisors is an integer number (127643031).

Almost surely, 2^255286061 is an apocalyptic number.

It is an amenable number.

255286061 is a deficient number, since it is larger than the sum of its proper divisors (1).

255286061 is an equidigital number, since it uses as much as digits as its factorization.

255286061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 255286061 is about 15977.6738294409. The cubic root of 255286061 is about 634.3696068879.

The spelling of 255286061 in words is "two hundred fifty-five million, two hundred eighty-six thousand, sixty-one".