2875643 has 2 divisors, whose sum is σ = 2875644. Its totient is φ = 2875642.

The previous prime is 2875633. The next prime is 2875673. The reversal of 2875643 is 3465782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2875643 - 2⁴ = 2875627 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 8² + 7⁷ + 5⁸ + 6⁴ + 4⁴ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (2875633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437821 + 1437822.

It is an arithmetic number, because the mean of its divisors is an integer number (1437822).

2^2875643 is an apocalyptic number.

2875643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2875643 is an equidigital number, since it uses as much as digits as its factorization.

2875643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 2875643 is about 1695.7720955364. The cubic root of 2875643 is about 142.2039488196.

The spelling of 2875643 in words is "two million, eight hundred seventy-five thousand, six hundred forty-three".