255604847 has 4 divisors (see below), whose sum is σ = 261043296. Its totient is φ = 250166400.

The previous prime is 255604837. The next prime is 255604859. The reversal of 255604847 is 748406552.

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 255604847 - 2⁴ = 255604831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255604807) 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 in 3 ways as a sum of consecutive naturals, for example, 2719154 + ... + 2719247.

It is an arithmetic number, because the mean of its divisors is an integer number (65260824).

Almost surely, 2^255604847 is an apocalyptic number.

255604847 is a deficient number, since it is larger than the sum of its proper divisors (5438449).

255604847 is an equidigital number, since it uses as much as digits as its factorization.

255604847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438448.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 255604847 is about 15987.6466998743. The cubic root of 255604847 is about 634.6335513564.

The spelling of 255604847 in words is "two hundred fifty-five million, six hundred four thousand, eight hundred forty-seven".