255844073 has 2 divisors, whose sum is σ = 255844074. Its totient is φ = 255844072.

The previous prime is 255844013. The next prime is 255844079. The reversal of 255844073 is 370448552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234794329 + 21049744 = 15323^2 + 4588^2 .

It is a cyclic number.

It is not a de Polignac number, because 255844073 - 2¹⁸ = 255581929 is a prime.

It is not a weakly prime, because it can be changed into another prime (255844079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127922036 + 127922037.

It is an arithmetic number, because the mean of its divisors is an integer number (127922037).

Almost surely, 2^255844073 is an apocalyptic number.

It is an amenable number.

255844073 is a deficient number, since it is larger than the sum of its proper divisors (1).

255844073 is an equidigital number, since it uses as much as digits as its factorization.

255844073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 255844073 is about 15995.1265390431. The cubic root of 255844073 is about 634.8314786235.

The spelling of 255844073 in words is "two hundred fifty-five million, eight hundred forty-four thousand, seventy-three".