28545343 has 2 divisors, whose sum is σ = 28545344. Its totient is φ = 28545342.

The previous prime is 28545331. The next prime is 28545347. The reversal of 28545343 is 34354582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28545343 - 2¹³ = 28537151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28545299 and 28545308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28545347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14272671 + 14272672.

It is an arithmetic number, because the mean of its divisors is an integer number (14272672).

Almost surely, 2^28545343 is an apocalyptic number.

28545343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28545343 is an equidigital number, since it uses as much as digits as its factorization.

28545343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 34.

The square root of 28545343 is about 5342.7841992729. The cubic root of 28545343 is about 305.6176429548.

The spelling of 28545343 in words is "twenty-eight million, five hundred forty-five thousand, three hundred forty-three".