275305775 has 18 divisors (see below), whose sum is σ = 349961976. Its totient is φ = 214840000.

The previous prime is 275305753. The next prime is 275305813. The reversal of 275305775 is 577503572.

It is not a de Polignac number, because 275305775 - 2¹⁰ = 275304751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38750 + ... + 45300.

It is an arithmetic number, because the mean of its divisors is an integer number (19442332).

Almost surely, 2^275305775 is an apocalyptic number.

275305775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

275305775 is a deficient number, since it is larger than the sum of its proper divisors (74656201).

275305775 is an equidigital number, since it uses as much as digits as its factorization.

275305775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643 (or 6597 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 41.

The square root of 275305775 is about 16592.3408535384. The cubic root of 275305775 is about 650.5366573911.

The spelling of 275305775 in words is "two hundred seventy-five million, three hundred five thousand, seven hundred seventy-five".