255505043 has 2 divisors, whose sum is σ = 255505044. Its totient is φ = 255505042.

The previous prime is 255505021. The next prime is 255505049. The reversal of 255505043 is 340505552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255505043 - 2¹⁸ = 255242899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255504997 and 255505015.

It is not a weakly prime, because it can be changed into another prime (255505049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127752521 + 127752522.

It is an arithmetic number, because the mean of its divisors is an integer number (127752522).

Almost surely, 2^255505043 is an apocalyptic number.

255505043 is a deficient number, since it is larger than the sum of its proper divisors (1).

255505043 is an equidigital number, since it uses as much as digits as its factorization.

255505043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 255505043 is about 15984.5251102433. The cubic root of 255505043 is about 634.5509404913.

The spelling of 255505043 in words is "two hundred fifty-five million, five hundred five thousand, forty-three".