275085361 has 4 divisors (see below), whose sum is σ = 275264500. Its totient is φ = 274906224.

The previous prime is 275085341. The next prime is 275085367. The reversal of 275085361 is 163580572.

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 59582961 + 215502400 = 7719^2 + 14680^2 .

It is a cyclic number.

It is not a de Polignac number, because 275085361 - 2¹¹ = 275083313 is a prime.

It is a super-3 number, since 3×275085361³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275085361.

It is not an unprimeable number, because it can be changed into a prime (275085367) 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, 87246 + ... + 90343.

It is an arithmetic number, because the mean of its divisors is an integer number (68816125).

Almost surely, 2^275085361 is an apocalyptic number.

It is an amenable number.

275085361 is a deficient number, since it is larger than the sum of its proper divisors (179139).

275085361 is a wasteful number, since it uses less digits than its factorization.

275085361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179138.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 275085361 is about 16585.6974830726. The cubic root of 275085361 is about 650.3630011842.

The spelling of 275085361 in words is "two hundred seventy-five million, eighty-five thousand, three hundred sixty-one".