2569943 has 2 divisors, whose sum is σ = 2569944. Its totient is φ = 2569942.

The previous prime is 2569939. The next prime is 2569961. The reversal of 2569943 is 3499652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2569943 - 2² = 2569939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2569897 and 2569906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2569543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284971 + 1284972.

It is an arithmetic number, because the mean of its divisors is an integer number (1284972).

2^2569943 is an apocalyptic number.

2569943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2569943 is an equidigital number, since it uses as much as digits as its factorization.

2569943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 2569943 is about 1603.1041762780. The cubic root of 2569943 is about 136.9749541300.

The spelling of 2569943 in words is "two million, five hundred sixty-nine thousand, nine hundred forty-three".