2575071671 has 4 divisors (see below), whose sum is σ = 2576321952. Its totient is φ = 2573821392.

The previous prime is 2575071599. The next prime is 2575071679. The reversal of 2575071671 is 1761705752.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2575071671 - 2¹⁰ = 2575070647 is a prime.

It is a super-2 number, since 2×2575071671² = 13261988221573464482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575071679) 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, 622046 + ... + 626171.

It is an arithmetic number, because the mean of its divisors is an integer number (644080488).

Almost surely, 2^2575071671 is an apocalyptic number.

2575071671 is a deficient number, since it is larger than the sum of its proper divisors (1250281).

2575071671 is a wasteful number, since it uses less digits than its factorization.

2575071671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250280.

The product of its (nonzero) digits is 102900, while the sum is 41.

The square root of 2575071671 is about 50745.1640158942. The cubic root of 2575071671 is about 1370.6601097201.

The spelling of 2575071671 in words is "two billion, five hundred seventy-five million, seventy-one thousand, six hundred seventy-one".