255503539 has 2 divisors, whose sum is σ = 255503540. Its totient is φ = 255503538.

The previous prime is 255503533. The next prime is 255503569. The reversal of 255503539 is 935305552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255503539 - 2¹⁵ = 255470771 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 255503498 and 255503507.

It is not a weakly prime, because it can be changed into another prime (255503533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127751769 + 127751770.

It is an arithmetic number, because the mean of its divisors is an integer number (127751770).

Almost surely, 2^255503539 is an apocalyptic number.

255503539 is a deficient number, since it is larger than the sum of its proper divisors (1).

255503539 is an equidigital number, since it uses as much as digits as its factorization.

255503539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101250, while the sum is 37.

The square root of 255503539 is about 15984.4780646726. The cubic root of 255503539 is about 634.5496954194.

The spelling of 255503539 in words is "two hundred fifty-five million, five hundred three thousand, five hundred thirty-nine".