2570971 has 4 divisors (see below), whose sum is σ = 2768752. Its totient is φ = 2373192.

The previous prime is 2570969. The next prime is 2570989. The reversal of 2570971 is 1790752.

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 2570971 - 2¹ = 2570969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2570921) 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, 98871 + ... + 98896.

It is an arithmetic number, because the mean of its divisors is an integer number (692188).

2^2570971 is an apocalyptic number.

2570971 is a deficient number, since it is larger than the sum of its proper divisors (197781).

2570971 is a wasteful number, since it uses less digits than its factorization.

2570971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197780.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 2570971 is about 1603.4247721674. The cubic root of 2570971 is about 136.9932154276.

The spelling of 2570971 in words is "two million, five hundred seventy thousand, nine hundred seventy-one".