862561093 has 2 divisors, whose sum is σ = 862561094. Its totient is φ = 862561092.

The previous prime is 862561087. The next prime is 862561159. The reversal of 862561093 is 390165268.

862561093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780531844 + 82029249 = 27938^2 + 9057^2 .

It is a cyclic number.

It is not a de Polignac number, because 862561093 - 2²⁹ = 325690181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (862561493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431280546 + 431280547.

It is an arithmetic number, because the mean of its divisors is an integer number (431280547).

Almost surely, 2^862561093 is an apocalyptic number.

It is an amenable number.

862561093 is a deficient number, since it is larger than the sum of its proper divisors (1).

862561093 is an equidigital number, since it uses as much as digits as its factorization.

862561093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 862561093 is about 29369.3904090637. The cubic root of 862561093 is about 951.9116053351.

The spelling of 862561093 in words is "eight hundred sixty-two million, five hundred sixty-one thousand, ninety-three".