255604363 has 4 divisors (see below), whose sum is σ = 292119280. Its totient is φ = 219089448.

The previous prime is 255604301. The next prime is 255604379. The reversal of 255604363 is 363406552.

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

It is a cyclic number.

It is not a de Polignac number, because 255604363 - 2⁹ = 255603851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255604963) 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, 18257448 + ... + 18257461.

It is an arithmetic number, because the mean of its divisors is an integer number (73029820).

Almost surely, 2^255604363 is an apocalyptic number.

255604363 is a deficient number, since it is larger than the sum of its proper divisors (36514917).

255604363 is an equidigital number, since it uses as much as digits as its factorization.

255604363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36514916.

The product of its (nonzero) digits is 64800, while the sum is 34.

The square root of 255604363 is about 15987.6315631803. The cubic root of 255604363 is about 634.6331507865.

The spelling of 255604363 in words is "two hundred fifty-five million, six hundred four thousand, three hundred sixty-three".