275261065297 has 4 divisors (see below), whose sum is σ = 275266312000. Its totient is φ = 275255818596.

The previous prime is 275261065267. The next prime is 275261065363. The reversal of 275261065297 is 792560162572.

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 275261065297 - 2¹⁹ = 275260541009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275261065217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543853 + ... + 2649850.

It is an arithmetic number, because the mean of its divisors is an integer number (68816578000).

Almost surely, 2^275261065297 is an apocalyptic number.

It is an amenable number.

275261065297 is a deficient number, since it is larger than the sum of its proper divisors (5246703).

275261065297 is an equidigital number, since it uses as much as digits as its factorization.

275261065297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246702.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 275261065297 in words is "two hundred seventy-five billion, two hundred sixty-one million, sixty-five thousand, two hundred ninety-seven".