255810151 has 2 divisors, whose sum is σ = 255810152. Its totient is φ = 255810150.

The previous prime is 255810133. The next prime is 255810187. The reversal of 255810151 is 151018552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255810151 - 2¹¹ = 255808103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255810551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127905075 + 127905076.

It is an arithmetic number, because the mean of its divisors is an integer number (127905076).

Almost surely, 2^255810151 is an apocalyptic number.

255810151 is a deficient number, since it is larger than the sum of its proper divisors (1).

255810151 is an equidigital number, since it uses as much as digits as its factorization.

255810151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 28.

The square root of 255810151 is about 15994.0661184078. The cubic root of 255810151 is about 634.8034202505.

The spelling of 255810151 in words is "two hundred fifty-five million, eight hundred ten thousand, one hundred fifty-one".