275243047 has 8 divisors (see below), whose sum is σ = 288276480. Its totient is φ = 262298520.

The previous prime is 275243021. The next prime is 275243051. The reversal of 275243047 is 740342572.

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-275243047 is a prime.

It is a super-3 number, since 3×275243047³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275243057) 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, 15847 + ... + 28312.

It is an arithmetic number, because the mean of its divisors is an integer number (36034560).

Almost surely, 2^275243047 is an apocalyptic number.

275243047 is a deficient number, since it is larger than the sum of its proper divisors (13033433).

275243047 is a wasteful number, since it uses less digits than its factorization.

275243047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44453.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 275243047 is about 16590.4504761022. The cubic root of 275243047 is about 650.4872457104.

The spelling of 275243047 in words is "two hundred seventy-five million, two hundred forty-three thousand, forty-seven".