255528005 has 8 divisors (see below), whose sum is σ = 307093272. Its totient is φ = 204115968.

The previous prime is 255528001. The next prime is 255528011. The reversal of 255528005 is 500825552.

255528005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27699169 + 227828836 = 5263^2 + 15094^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255528005 - 2² = 255528001 is a prime.

It is a super-2 number, since 2×255528005² = 130589122678560050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255528001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34604 + ... + 41333.

It is an arithmetic number, because the mean of its divisors is an integer number (38386659).

Almost surely, 2^255528005 is an apocalyptic number.

It is an amenable number.

255528005 is a deficient number, since it is larger than the sum of its proper divisors (51565267).

255528005 is an equidigital number, since it uses as much as digits as its factorization.

255528005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76615.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 255528005 is about 15985.2433512912. The cubic root of 255528005 is about 634.5699487557.

The spelling of 255528005 in words is "two hundred fifty-five million, five hundred twenty-eight thousand, five".