2651143 has 4 divisors (see below), whose sum is σ = 2892168. Its totient is φ = 2410120.

The previous prime is 2651137. The next prime is 2651189. The reversal of 2651143 is 3411562.

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 2651143 - 2⁵ = 2651111 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 (2651443) 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, 120496 + ... + 120517.

It is an arithmetic number, because the mean of its divisors is an integer number (723042).

2^2651143 is an apocalyptic number.

2651143 is a deficient number, since it is larger than the sum of its proper divisors (241025).

2651143 is a wasteful number, since it uses less digits than its factorization.

2651143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241024.

The product of its digits is 720, while the sum is 22.

The square root of 2651143 is about 1628.2330914215. The cubic root of 2651143 is about 138.4026432888.

The spelling of 2651143 in words is "two million, six hundred fifty-one thousand, one hundred forty-three".