255790039 has 2 divisors, whose sum is σ = 255790040. Its totient is φ = 255790038.

The previous prime is 255790033. The next prime is 255790043. The reversal of 255790039 is 930097552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255790039 - 2¹⁷ = 255658967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255789983 and 255790010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255790033) 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, 127895019 + 127895020.

It is an arithmetic number, because the mean of its divisors is an integer number (127895020).

Almost surely, 2^255790039 is an apocalyptic number.

255790039 is a deficient number, since it is larger than the sum of its proper divisors (1).

255790039 is an equidigital number, since it uses as much as digits as its factorization.

255790039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 255790039 is about 15993.4373728727. The cubic root of 255790039 is about 634.7867835625.

The spelling of 255790039 in words is "two hundred fifty-five million, seven hundred ninety thousand, thirty-nine".