26340543 has 12 divisors (see below), whose sum is σ = 39702000. Its totient is φ = 16796736.

The previous prime is 26340541. The next prime is 26340551. The reversal of 26340543 is 34504362.

It is not a de Polignac number, because 26340543 - 2¹ = 26340541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63418 + ... + 63831.

It is an arithmetic number, because the mean of its divisors is an integer number (3308500).

Almost surely, 2^26340543 is an apocalyptic number.

26340543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26340543 is a deficient number, since it is larger than the sum of its proper divisors (13361457).

26340543 is a wasteful number, since it uses less digits than its factorization.

26340543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127278 (or 127275 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 26340543 is about 5132.3038686344. The cubic root of 26340543 is about 297.5374074375.

The spelling of 26340543 in words is "twenty-six million, three hundred forty thousand, five hundred forty-three".