102289093 has 2 divisors, whose sum is σ = 102289094. Its totient is φ = 102289092.

The previous prime is 102289091. The next prime is 102289129. The reversal of 102289093 is 390982201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56280004 + 46009089 = 7502^2 + 6783^2 .

It is a cyclic number.

It is not a de Polignac number, because 102289093 - 2¹ = 102289091 is a prime.

Together with 102289091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102289091) 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, 51144546 + 51144547.

It is an arithmetic number, because the mean of its divisors is an integer number (51144547).

Almost surely, 2^102289093 is an apocalyptic number.

It is an amenable number.

102289093 is a deficient number, since it is larger than the sum of its proper divisors (1).

102289093 is an equidigital number, since it uses as much as digits as its factorization.

102289093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 102289093 is about 10113.8070477936. The cubic root of 102289093 is about 467.6738739556.

It can be divided in two parts, 10228 and 9093, that added together give a square (19321 = 139²).

The spelling of 102289093 in words is "one hundred two million, two hundred eighty-nine thousand, ninety-three".