275327649 has 9 divisors (see below), whose sum is σ = 397767409. Its totient is φ = 183518580.

The previous prime is 275327639. The next prime is 275327659. The reversal of 275327649 is 946723572.

The square root of 275327649 is 16593.

It is a perfect power (a square), and thus also a powerful number.

275327649 is a `hidden beast` number, since 2 + 7 + 532 + 76 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (275327639) and next prime (275327659).

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 275327649 - 2⁵ = 275327617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275327609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 47014 + ... + 52544.

Almost surely, 2^275327649 is an apocalyptic number.

275327649 is the 16593-rd square number.

275327649 is the 8297-th centered octagonal number.

It is an amenable number.

275327649 is a deficient number, since it is larger than the sum of its proper divisors (122439760).

275327649 is an frugal number, since it uses more digits than its factorization.

275327649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11068 (or 5534 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The cubic root of 275327649 is about 650.5538860671.

The spelling of 275327649 in words is "two hundred seventy-five million, three hundred twenty-seven thousand, six hundred forty-nine".