2500571 has 8 divisors (see below), whose sum is σ = 2704080. Its totient is φ = 2304288.

The previous prime is 2500559. The next prime is 2500591. The reversal of 2500571 is 1750052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2500571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (338010).

2^2500571 is an apocalyptic number.

2500571 is a deficient number, since it is larger than the sum of its proper divisors (203509).

2500571 is a wasteful number, since it uses less digits than its factorization.

2500571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2500571 is about 1581.3193858294. The cubic root of 2500571 is about 135.7312129262.

The spelling of 2500571 in words is "two million, five hundred thousand, five hundred seventy-one".