2575278271 has 4 divisors (see below), whose sum is σ = 2664081000. Its totient is φ = 2486475544.

The previous prime is 2575278253. The next prime is 2575278287. The reversal of 2575278271 is 1728725752.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2575278271 - 2⁷ = 2575278143 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 (2575278071) 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, 44401321 + ... + 44401378.

It is an arithmetic number, because the mean of its divisors is an integer number (666020250).

Almost surely, 2^2575278271 is an apocalyptic number.

2575278271 is a deficient number, since it is larger than the sum of its proper divisors (88802729).

2575278271 is an equidigital number, since it uses as much as digits as its factorization.

2575278271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88802728.

The product of its digits is 548800, while the sum is 46.

The square root of 2575278271 is about 50747.1996370243. The cubic root of 2575278271 is about 1370.6967651149.

The spelling of 2575278271 in words is "two billion, five hundred seventy-five million, two hundred seventy-eight thousand, two hundred seventy-one".