275023261 has 8 divisors (see below), whose sum is σ = 278501760. Its totient is φ = 271553568.

The previous prime is 275023223. The next prime is 275023267. The reversal of 275023261 is 162320572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275023261 - 2¹¹ = 275021213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275023267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79020 + ... + 82426.

It is an arithmetic number, because the mean of its divisors is an integer number (34812720).

Almost surely, 2^275023261 is an apocalyptic number.

It is an amenable number.

275023261 is a deficient number, since it is larger than the sum of its proper divisors (3478499).

275023261 is an equidigital number, since it uses as much as digits as its factorization.

275023261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 275023261 is about 16583.8252824853. The cubic root of 275023261 is about 650.3140580952.

The spelling of 275023261 in words is "two hundred seventy-five million, twenty-three thousand, two hundred sixty-one".