275042107 has 4 divisors (see below), whose sum is σ = 279551056. Its totient is φ = 270533160.

The previous prime is 275042083. The next prime is 275042111. The reversal of 275042107 is 701240572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275042107 is a prime.

It is a super-3 number, since 3×275042107³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275042407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254383 + ... + 2254504.

It is an arithmetic number, because the mean of its divisors is an integer number (69887764).

Almost surely, 2^275042107 is an apocalyptic number.

275042107 is a deficient number, since it is larger than the sum of its proper divisors (4508949).

275042107 is an equidigital number, since it uses as much as digits as its factorization.

275042107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508948.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 275042107 is about 16584.3934770012. The cubic root of 275042107 is about 650.3289120373.

Adding to 275042107 its reverse (701240572), we get a palindrome (976282679).

The spelling of 275042107 in words is "two hundred seventy-five million, forty-two thousand, one hundred seven".