275601 has 4 divisors (see below), whose sum is σ = 367472. Its totient is φ = 183732.

The previous prime is 275599. The next prime is 275623. The reversal of 275601 is 106572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 275601 - 2¹ = 275599 is a prime.

It is a super-2 number, since 2×275601² = 151911822402, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45931 + ... + 45936.

It is an arithmetic number, because the mean of its divisors is an integer number (91868).

2²⁷⁵⁶⁰¹ is an apocalyptic number.

It is an amenable number.

275601 is a deficient number, since it is larger than the sum of its proper divisors (91871).

275601 is an equidigital number, since it uses as much as digits as its factorization.

275601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91870.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 275601 is about 524.9771423596. The cubic root of 275601 is about 65.0769109320.

The spelling of 275601 in words is "two hundred seventy-five thousand, six hundred one".