255785203 has 2 divisors, whose sum is σ = 255785204. Its totient is φ = 255785202.

The previous prime is 255785143. The next prime is 255785219. The reversal of 255785203 is 302587552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255785203 is a prime.

It is not a weakly prime, because it can be changed into another prime (255785263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127892601 + 127892602.

It is an arithmetic number, because the mean of its divisors is an integer number (127892602).

Almost surely, 2^255785203 is an apocalyptic number.

255785203 is a deficient number, since it is larger than the sum of its proper divisors (1).

255785203 is an equidigital number, since it uses as much as digits as its factorization.

255785203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 255785203 is about 15993.2861851466. The cubic root of 255785203 is about 634.7827830833.

The spelling of 255785203 in words is "two hundred fifty-five million, seven hundred eighty-five thousand, two hundred three".