255663763 has 2 divisors, whose sum is σ = 255663764. Its totient is φ = 255663762.

The previous prime is 255663757. The next prime is 255663769. The reversal of 255663763 is 367366552.

It is a balanced prime because it is at equal distance from previous prime (255663757) and next prime (255663769).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255663763 is a prime.

It is a super-2 number, since 2×255663763² = 130727919422640338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (255663769) 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, 127831881 + 127831882.

It is an arithmetic number, because the mean of its divisors is an integer number (127831882).

Almost surely, 2^255663763 is an apocalyptic number.

255663763 is a deficient number, since it is larger than the sum of its proper divisors (1).

255663763 is an equidigital number, since it uses as much as digits as its factorization.

255663763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 43.

The square root of 255663763 is about 15989.4891413078. The cubic root of 255663763 is about 634.6823078626.

The spelling of 255663763 in words is "two hundred fifty-five million, six hundred sixty-three thousand, seven hundred sixty-three".