10543399 has 2 divisors, whose sum is σ = 10543400. Its totient is φ = 10543398.

The previous prime is 10543387. The next prime is 10543411. The reversal of 10543399 is 99334501.

It is a balanced prime because it is at equal distance from previous prime (10543387) and next prime (10543411).

It is a cyclic number.

It is not a de Polignac number, because 10543399 - 2⁵ = 10543367 is a prime.

It is a super-2 number, since 2×10543399² = 222326524946402, which contains 22 as substring.

It is equal to p₆₉₈₂₇₂ and since 10543399 and 698272 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10543339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5271699 + 5271700.

It is an arithmetic number, because the mean of its divisors is an integer number (5271700).

Almost surely, 2^10543399 is an apocalyptic number.

10543399 is a deficient number, since it is larger than the sum of its proper divisors (1).

10543399 is an equidigital number, since it uses as much as digits as its factorization.

10543399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 10543399 is about 3247.0600548804. The cubic root of 10543399 is about 219.2772355453.

The spelling of 10543399 in words is "ten million, five hundred forty-three thousand, three hundred ninety-nine".