285100093 has 2 divisors, whose sum is σ = 285100094. Its totient is φ = 285100092.

The previous prime is 285100069. The next prime is 285100139. The reversal of 285100093 is 390001582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275991769 + 9108324 = 16613^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 285100093 - 2⁵ = 285100061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285100033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142550046 + 142550047.

It is an arithmetic number, because the mean of its divisors is an integer number (142550047).

Almost surely, 2^285100093 is an apocalyptic number.

It is an amenable number.

285100093 is a deficient number, since it is larger than the sum of its proper divisors (1).

285100093 is an equidigital number, since it uses as much as digits as its factorization.

285100093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 285100093 is about 16884.9072547053. The cubic root of 285100093 is about 658.1614680280.

The spelling of 285100093 in words is "two hundred eighty-five million, one hundred thousand, ninety-three".