255596543 has 2 divisors, whose sum is σ = 255596544. Its totient is φ = 255596542.

The previous prime is 255596489. The next prime is 255596557. The reversal of 255596543 is 345695552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255596543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255596494 and 255596503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255596443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127798271 + 127798272.

It is an arithmetic number, because the mean of its divisors is an integer number (127798272).

Almost surely, 2^255596543 is an apocalyptic number.

255596543 is a deficient number, since it is larger than the sum of its proper divisors (1).

255596543 is an equidigital number, since it uses as much as digits as its factorization.

255596543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810000, while the sum is 44.

The square root of 255596543 is about 15987.3869972551. The cubic root of 255596543 is about 634.6266786984.

Subtracting 255596543 from its reverse (345695552), we obtain a palindrome (90099009).

The spelling of 255596543 in words is "two hundred fifty-five million, five hundred ninety-six thousand, five hundred forty-three".