275242937 has 4 divisors (see below), whose sum is σ = 291433716. Its totient is φ = 259052160.

The previous prime is 275242859. The next prime is 275242943. The reversal of 275242937 is 739242572.

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

It can be written as a sum of positive squares in 2 ways, for example, as 131698576 + 143544361 = 11476^2 + 11981^2 .

It is a cyclic number.

It is not a de Polignac number, because 275242937 - 2¹² = 275238841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275242894 and 275242903.

It is not an unprimeable number, because it can be changed into a prime (275242337) 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, 8095364 + ... + 8095397.

It is an arithmetic number, because the mean of its divisors is an integer number (72858429).

Almost surely, 2^275242937 is an apocalyptic number.

It is an amenable number.

275242937 is a deficient number, since it is larger than the sum of its proper divisors (16190779).

275242937 is a wasteful number, since it uses less digits than its factorization.

275242937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16190778.

The product of its digits is 211680, while the sum is 41.

The square root of 275242937 is about 16590.4471609417. The cubic root of 275242937 is about 650.4871590554.

The spelling of 275242937 in words is "two hundred seventy-five million, two hundred forty-two thousand, nine hundred thirty-seven".