255803047 has 2 divisors, whose sum is σ = 255803048. Its totient is φ = 255803046.

The previous prime is 255803021. The next prime is 255803057. The reversal of 255803047 is 740308552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255803047 - 2²⁷ = 121585319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255803057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127901523 + 127901524.

It is an arithmetic number, because the mean of its divisors is an integer number (127901524).

Almost surely, 2^255803047 is an apocalyptic number.

255803047 is a deficient number, since it is larger than the sum of its proper divisors (1).

255803047 is an equidigital number, since it uses as much as digits as its factorization.

255803047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 255803047 is about 15993.8440345028. The cubic root of 255803047 is about 634.7975439066.

The spelling of 255803047 in words is "two hundred fifty-five million, eight hundred three thousand, forty-seven".