255355403 has 4 divisors (see below), whose sum is σ = 255421800. Its totient is φ = 255289008.

The previous prime is 255355369. The next prime is 255355409. The reversal of 255355403 is 304553552.

255355403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255355403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255355403.

It is not an unprimeable number, because it can be changed into a prime (255355409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27050 + ... + 35247.

It is an arithmetic number, because the mean of its divisors is an integer number (63855450).

Almost surely, 2^255355403 is an apocalyptic number.

255355403 is a deficient number, since it is larger than the sum of its proper divisors (66397).

255355403 is an equidigital number, since it uses as much as digits as its factorization.

255355403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66396.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 255355403 is about 15979.8436475455. The cubic root of 255355403 is about 634.4270385066.

The spelling of 255355403 in words is "two hundred fifty-five million, three hundred fifty-five thousand, four hundred three".