255003563 has 2 divisors, whose sum is σ = 255003564. Its totient is φ = 255003562.

The previous prime is 255003523. The next prime is 255003569. The reversal of 255003563 is 365300552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255003563 - 2⁶ = 255003499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255003569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127501781 + 127501782.

It is an arithmetic number, because the mean of its divisors is an integer number (127501782).

Almost surely, 2^255003563 is an apocalyptic number.

255003563 is a deficient number, since it is larger than the sum of its proper divisors (1).

255003563 is an equidigital number, since it uses as much as digits as its factorization.

255003563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 255003563 is about 15968.8309841391. The cubic root of 255003563 is about 634.1355240076.

The spelling of 255003563 in words is "two hundred fifty-five million, three thousand, five hundred sixty-three".