2651171 has 4 divisors (see below), whose sum is σ = 2655072. Its totient is φ = 2647272.

The previous prime is 2651137. The next prime is 2651189. The reversal of 2651171 is 1711562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1711562 = 2 ⋅855781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2651171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2651111) 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, 635 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (663768).

2^2651171 is an apocalyptic number.

2651171 is a deficient number, since it is larger than the sum of its proper divisors (3901).

2651171 is an equidigital number, since it uses as much as digits as its factorization.

2651171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900.

The product of its digits is 420, while the sum is 23.

The square root of 2651171 is about 1628.2416896763. The cubic root of 2651171 is about 138.4031305327.

The spelling of 2651171 in words is "two million, six hundred fifty-one thousand, one hundred seventy-one".