275426 has 4 divisors (see below), whose sum is σ = 413142. Its totient is φ = 137712.

The previous prime is 275423. The next prime is 275447. The reversal of 275426 is 624572.

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

It can be written as a sum of positive squares in only one way, i.e., 265225 + 10201 = 515^2 + 101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 275395 and 275404.

It is not an unprimeable number, because it can be changed into a prime (275423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68855 + ... + 68858.

2²⁷⁵⁴²⁶ is an apocalyptic number.

275426 is a deficient number, since it is larger than the sum of its proper divisors (137716).

275426 is a wasteful number, since it uses less digits than its factorization.

275426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137715.

The product of its digits is 3360, while the sum is 26.

The square root of 275426 is about 524.8104419693. The cubic root of 275426 is about 65.0631339250.

Adding to 275426 its reverse (624572), we get a palindrome (899998).

The spelling of 275426 in words is "two hundred seventy-five thousand, four hundred twenty-six".