275250505 has 12 divisors (see below), whose sum is σ = 333602820. Its totient is φ = 218020512.

The previous prime is 275250497. The next prime is 275250557. The reversal of 275250505 is 505052572.

It can be written as a sum of positive squares in 2 ways, for example, as 160503561 + 114746944 = 12669^2 + 10712^2 .

It is not a de Polignac number, because 275250505 - 2³ = 275250497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50451 + ... + 55639.

It is an arithmetic number, because the mean of its divisors is an integer number (27800235).

Almost surely, 2^275250505 is an apocalyptic number.

It is an amenable number.

275250505 is a deficient number, since it is larger than the sum of its proper divisors (58352315).

275250505 is an equidigital number, since it uses as much as digits as its factorization.

275250505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400 (or 5297 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 275250505 is about 16590.6752424366. The cubic root of 275250505 is about 650.4931208695.

The spelling of 275250505 in words is "two hundred seventy-five million, two hundred fifty thousand, five hundred five".