863825093 has 2 divisors, whose sum is σ = 863825094. Its totient is φ = 863825092.

The previous prime is 863825069. The next prime is 863825143. The reversal of 863825093 is 390528368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432556804 + 431268289 = 20798^2 + 20767^2 .

It is a cyclic number.

It is not a de Polignac number, because 863825093 - 2¹⁶ = 863759557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863825033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431912546 + 431912547.

It is an arithmetic number, because the mean of its divisors is an integer number (431912547).

Almost surely, 2^863825093 is an apocalyptic number.

It is an amenable number.

863825093 is a deficient number, since it is larger than the sum of its proper divisors (1).

863825093 is an equidigital number, since it uses as much as digits as its factorization.

863825093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 863825093 is about 29390.9015343184. The cubic root of 863825093 is about 952.3763565760.

The spelling of 863825093 in words is "eight hundred sixty-three million, eight hundred twenty-five thousand, ninety-three".