10012543 has 2 divisors, whose sum is σ = 10012544. Its totient is φ = 10012542.

The previous prime is 10012523. The next prime is 10012559. The reversal of 10012543 is 34521001.

It is an a-pointer prime, because the next prime (10012559) can be obtained adding 10012543 to its sum of digits (16).

It is a strong prime.

It is an emirp because it is prime and its reverse (34521001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006271 + 5006272.

It is an arithmetic number, because the mean of its divisors is an integer number (5006272).

Almost surely, 2^10012543 is an apocalyptic number.

10012543 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012543 is an equidigital number, since it uses as much as digits as its factorization.

10012543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10012543 is about 3164.2602611037. The cubic root of 10012543 is about 215.5335082826.

Adding to 10012543 its reverse (34521001), we get a palindrome (44533544).

The spelling of 10012543 in words is "ten million, twelve thousand, five hundred forty-three".