275321345 has 8 divisors (see below), whose sum is σ = 355799976. Its totient is φ = 203314176.

The previous prime is 275321309. The next prime is 275321353. The reversal of 275321345 is 543123572.

It can be written as a sum of positive squares in 4 ways, for example, as 15241216 + 260080129 = 3904^2 + 16127^2 .

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

It is not a de Polignac number, because 275321345 - 2¹⁴ = 275304961 is a prime.

It is a Duffinian 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, 2117792 + ... + 2117921.

It is an arithmetic number, because the mean of its divisors is an integer number (44474997).

Almost surely, 2^275321345 is an apocalyptic number.

It is an amenable number.

275321345 is a deficient number, since it is larger than the sum of its proper divisors (80478631).

275321345 is a wasteful number, since it uses less digits than its factorization.

275321345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235731.

The product of its digits is 25200, while the sum is 32.

The square root of 275321345 is about 16592.8100392911. The cubic root of 275321345 is about 650.5489209246.

The spelling of 275321345 in words is "two hundred seventy-five million, three hundred twenty-one thousand, three hundred forty-five".