255802073 has 6 divisors (see below), whose sum is σ = 269974314. Its totient is φ = 242338464.

The previous prime is 255802037. The next prime is 255802087. The reversal of 255802073 is 370208552.

It can be written as a sum of positive squares in only one way, i.e., 175377049 + 80425024 = 13243^2 + 8968^2 .

It is not a de Polignac number, because 255802073 - 2¹² = 255797977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255802033) 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 in 5 ways as a sum of consecutive naturals, for example, 353936 + ... + 354657.

It is an arithmetic number, because the mean of its divisors is an integer number (44995719).

Almost surely, 2^255802073 is an apocalyptic number.

It is an amenable number.

255802073 is a deficient number, since it is larger than the sum of its proper divisors (14172241).

255802073 is an equidigital number, since it uses as much as digits as its factorization.

255802073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708631 (or 708612 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 255802073 is about 15993.8135852585. The cubic root of 255802073 is about 634.7967382170.

The spelling of 255802073 in words is "two hundred fifty-five million, eight hundred two thousand, seventy-three".