2651071 has 4 divisors (see below), whose sum is σ = 2659752. Its totient is φ = 2642392.

The previous prime is 2651063. The next prime is 2651083. The reversal of 2651071 is 1701562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1701562 = 2 ⋅850781.

It is a cyclic number.

It is not a de Polignac number, because 2651071 - 2³ = 2651063 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 (2651041) 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, 3865 + ... + 4498.

It is an arithmetic number, because the mean of its divisors is an integer number (664938).

2^2651071 is an apocalyptic number.

2651071 is a deficient number, since it is larger than the sum of its proper divisors (8681).

2651071 is an equidigital number, since it uses as much as digits as its factorization.

2651071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8680.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 2651071 is about 1628.2109814149. The cubic root of 2651071 is about 138.4013903599.

The spelling of 2651071 in words is "two million, six hundred fifty-one thousand, seventy-one".