275472005 has 8 divisors (see below), whose sum is σ = 336803832. Its totient is φ = 216219328.

The previous prime is 275471971. The next prime is 275472023. The reversal of 275472005 is 500274572.

It can be written as a sum of positive squares in 4 ways, for example, as 140517316 + 134954689 = 11854^2 + 11617^2 .

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 275472005 - 2⁶ = 275471941 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 7 ways as a sum of consecutive naturals, for example, 519494 + ... + 520023.

It is an arithmetic number, because the mean of its divisors is an integer number (42100479).

Almost surely, 2^275472005 is an apocalyptic number.

It is an amenable number.

275472005 is a deficient number, since it is larger than the sum of its proper divisors (61331827).

275472005 is a wasteful number, since it uses less digits than its factorization.

275472005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039575.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 275472005 is about 16597.3493365658. The cubic root of 275472005 is about 650.6675626861.

The spelling of 275472005 in words is "two hundred seventy-five million, four hundred seventy-two thousand, five".