275505043 has 16 divisors (see below), whose sum is σ = 323637120. Its totient is φ = 231721600.

The previous prime is 275505007. The next prime is 275505047. The reversal of 275505043 is 340505572.

It is not a de Polignac number, because 275505043 - 2¹⁷ = 275373971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275504996 and 275505014.

It is not an unprimeable number, because it can be changed into a prime (275505047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453 + ... + 23518.

It is an arithmetic number, because the mean of its divisors is an integer number (20227320).

Almost surely, 2^275505043 is an apocalyptic number.

275505043 is a deficient number, since it is larger than the sum of its proper divisors (48132077).

275505043 is a wasteful number, since it uses less digits than its factorization.

275505043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25058.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 275505043 is about 16598.3445861327. The cubic root of 275505043 is about 650.6935736724.

The spelling of 275505043 in words is "two hundred seventy-five million, five hundred five thousand, forty-three".