275828005 has 4 divisors (see below), whose sum is σ = 330993612. Its totient is φ = 220662400.

The previous prime is 275827969. The next prime is 275828011. The reversal of 275828005 is 500828572.

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

It can be written as a sum of positive squares in 2 ways, for example, as 92198404 + 183629601 = 9602^2 + 13551^2 .

It is not a de Polignac number, because 275828005 - 2¹⁵ = 275795237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27582796 + ... + 27582805.

It is an arithmetic number, because the mean of its divisors is an integer number (82748403).

Almost surely, 2^275828005 is an apocalyptic number.

It is an amenable number.

275828005 is a deficient number, since it is larger than the sum of its proper divisors (55165607).

275828005 is an equidigital number, since it uses as much as digits as its factorization.

275828005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55165606.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 275828005 is about 16608.0704779333. The cubic root of 275828005 is about 650.9477338539.

The spelling of 275828005 in words is "two hundred seventy-five million, eight hundred twenty-eight thousand, five".