109053509 has 2 divisors, whose sum is σ = 109053510.
Its totient is φ = 109053508.
The previous prime is 109053499. The next prime is 109053517. The reversal of 109053509 is 905350901.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 104550625 + 4502884 = 10225^2 + 2122^2
It is a cyclic number.
It is not a de Polignac number, because 109053509 - 216 = 108987973 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (109053599) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54526754 + 54526755.
It is an arithmetic number, because the mean of its divisors is an integer number (54526755).
Almost surely, 2109053509 is an apocalyptic number.
It is an amenable number.
109053509 is a deficient number, since it is larger than the sum of its proper divisors (1).
109053509 is an equidigital number, since it uses as much as digits as its factorization.
109053509 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6075, while the sum is 32.
The square root of 109053509 is about 10442.8688108201.
The cubic root of 109053509 is about 477.7637719208.
The spelling of 109053509 in words is "one hundred nine million, fifty-three thousand, five hundred nine".