280112593 has 2 divisors, whose sum is σ = 280112594. Its totient is φ = 280112592.

The previous prime is 280112557. The next prime is 280112603. The reversal of 280112593 is 395211082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274001809 + 6110784 = 16553^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 280112593 - 2¹³ = 280104401 is a prime.

It is not a weakly prime, because it can be changed into another prime (280112093) 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, 140056296 + 140056297.

It is an arithmetic number, because the mean of its divisors is an integer number (140056297).

Almost surely, 2^280112593 is an apocalyptic number.

It is an amenable number.

280112593 is a deficient number, since it is larger than the sum of its proper divisors (1).

280112593 is an equidigital number, since it uses as much as digits as its factorization.

280112593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 280112593 is about 16736.5645519025. The cubic root of 280112593 is about 654.3009405647.

The spelling of 280112593 in words is "two hundred eighty million, one hundred twelve thousand, five hundred ninety-three".