2758543 has 2 divisors, whose sum is σ = 2758544. Its totient is φ = 2758542.

The previous prime is 2758541. The next prime is 2758589. The reversal of 2758543 is 3458572.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2758543 - 2¹ = 2758541 is a prime.

Together with 2758541, it forms a pair of twin primes.

It is an Ulam number.

2758543 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2758499 and 2758508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2758541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379271 + 1379272.

It is an arithmetic number, because the mean of its divisors is an integer number (1379272).

2^2758543 is an apocalyptic number.

2758543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2758543 is an equidigital number, since it uses as much as digits as its factorization.

2758543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

The square root of 2758543 is about 1660.8862092269. The cubic root of 2758543 is about 140.2468942704.

The spelling of 2758543 in words is "two million, seven hundred fifty-eight thousand, five hundred forty-three".