275348561 has 8 divisors (see below), whose sum is σ = 285539904. Its totient is φ = 265302000.

The previous prime is 275348543. The next prime is 275348611. The reversal of 275348561 is 165843572.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275348561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (275348531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32315 + ... + 39936.

It is an arithmetic number, because the mean of its divisors is an integer number (35692488).

Almost surely, 2^275348561 is an apocalyptic number.

It is an amenable number.

275348561 is a deficient number, since it is larger than the sum of its proper divisors (10191343).

275348561 is a wasteful number, since it uses less digits than its factorization.

275348561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72391.

The product of its digits is 201600, while the sum is 41.

The square root of 275348561 is about 16593.6301332770. The cubic root of 275348561 is about 650.5703561873.

The spelling of 275348561 in words is "two hundred seventy-five million, three hundred forty-eight thousand, five hundred sixty-one".