10543331 has 2 divisors, whose sum is σ = 10543332. Its totient is φ = 10543330.

The previous prime is 10543307. The next prime is 10543333. The reversal of 10543331 is 13334501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10543331 - 2¹⁰ = 10542307 is a prime.

It is a super-2 number, since 2×10543331² = 222323657151122, which contains 22 as substring.

Together with 10543333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10543333) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5271665 + 5271666.

It is an arithmetic number, because the mean of its divisors is an integer number (5271666).

Almost surely, 2^10543331 is an apocalyptic number.

10543331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10543331 is an equidigital number, since it uses as much as digits as its factorization.

10543331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 10543331 is about 3247.0495838530. The cubic root of 10543331 is about 219.2767641324.

Adding to 10543331 its reverse (13334501), we get a palindrome (23877832).

The spelling of 10543331 in words is "ten million, five hundred forty-three thousand, three hundred thirty-one".