109579013 has 2 divisors, whose sum is σ = 109579014. Its totient is φ = 109579012.

The previous prime is 109578983. The next prime is 109579027. The reversal of 109579013 is 310975901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100440484 + 9138529 = 10022^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 109579013 - 2¹⁰ = 109577989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109579073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54789506 + 54789507.

It is an arithmetic number, because the mean of its divisors is an integer number (54789507).

Almost surely, 2^109579013 is an apocalyptic number.

It is an amenable number.

109579013 is a deficient number, since it is larger than the sum of its proper divisors (1).

109579013 is an equidigital number, since it uses as much as digits as its factorization.

109579013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 109579013 is about 10467.9994745892. Note that the first 3 decimals coincide. The cubic root of 109579013 is about 478.5299541183.

It can be divided in two parts, 1095 and 79013, that added together give a palindrome (80108).

The spelling of 109579013 in words is "one hundred nine million, five hundred seventy-nine thousand, thirteen".