275264961 has 4 divisors (see below), whose sum is σ = 367019952. Its totient is φ = 183509972.

The previous prime is 275264953. The next prime is 275265019. The reversal of 275264961 is 169462572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275264961 - 2³ = 275264953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275264461) 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 3 ways as a sum of consecutive naturals, for example, 45877491 + ... + 45877496.

It is an arithmetic number, because the mean of its divisors is an integer number (91754988).

Almost surely, 2^275264961 is an apocalyptic number.

It is an amenable number.

275264961 is a deficient number, since it is larger than the sum of its proper divisors (91754991).

275264961 is an equidigital number, since it uses as much as digits as its factorization.

275264961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91754990.

The product of its digits is 181440, while the sum is 42.

The square root of 275264961 is about 16591.1109031312. The cubic root of 275264961 is about 650.5045085131.

The spelling of 275264961 in words is "two hundred seventy-five million, two hundred sixty-four thousand, nine hundred sixty-one".