1009275275 has 6 divisors (see below), whose sum is σ = 1251501372. Its totient is φ = 807420200.

The previous prime is 1009275271. The next prime is 1009275331. The reversal of 1009275275 is 5725729001.

It is not a de Polignac number, because 1009275275 - 2² = 1009275271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009275271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20185481 + ... + 20185530.

It is an arithmetic number, because the mean of its divisors is an integer number (208583562).

Almost surely, 2^1009275275 is an apocalyptic number.

1009275275 is a deficient number, since it is larger than the sum of its proper divisors (242226097).

1009275275 is an equidigital number, since it uses as much as digits as its factorization.

1009275275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40371021 (or 40371016 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 1009275275 is about 31769.0930780216. The cubic root of 1009275275 is about 1003.0822483179.

The spelling of 1009275275 in words is "one billion, nine million, two hundred seventy-five thousand, two hundred seventy-five".