281034407 has 2 divisors, whose sum is σ = 281034408. Its totient is φ = 281034406.

The previous prime is 281034371. The next prime is 281034433. The reversal of 281034407 is 704430182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 281034407 - 2⁶ = 281034343 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 281034407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281034007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140517203 + 140517204.

It is an arithmetic number, because the mean of its divisors is an integer number (140517204).

Almost surely, 2^281034407 is an apocalyptic number.

281034407 is a deficient number, since it is larger than the sum of its proper divisors (1).

281034407 is an equidigital number, since it uses as much as digits as its factorization.

281034407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 281034407 is about 16764.0808575955. The cubic root of 281034407 is about 655.0178943502.

Adding to 281034407 its reverse (704430182), we get a palindrome (985464589).

The spelling of 281034407 in words is "two hundred eighty-one million, thirty-four thousand, four hundred seven".