275264005 has 8 divisors (see below), whose sum is σ = 330479352. Its totient is φ = 220102848.

The previous prime is 275263993. The next prime is 275264009. The reversal of 275264005 is 500462572.

It can be written as a sum of positive squares in 4 ways, for example, as 24295041 + 250968964 = 4929^2 + 15842^2 .

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 275264005 - 2⁹ = 275263493 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 (275264009) 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, 1374 + ... + 23503.

It is an arithmetic number, because the mean of its divisors is an integer number (41309919).

Almost surely, 2^275264005 is an apocalyptic number.

It is an amenable number.

275264005 is a deficient number, since it is larger than the sum of its proper divisors (55215347).

275264005 is a wasteful number, since it uses less digits than its factorization.

275264005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27095.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 275264005 is about 16591.0820924978. The cubic root of 275264005 is about 650.5037554411.

The spelling of 275264005 in words is "two hundred seventy-five million, two hundred sixty-four thousand, five".