88052309 has 2 divisors, whose sum is σ = 88052310. Its totient is φ = 88052308.

The previous prime is 88052287. The next prime is 88052311. The reversal of 88052309 is 90325088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80156209 + 7896100 = 8953^2 + 2810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88052309 is a prime.

It is a Sophie Germain prime.

Together with 88052311, it forms a pair of twin primes.

It is a Chen 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 (88052339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44026154 + 44026155.

It is an arithmetic number, because the mean of its divisors is an integer number (44026155).

Almost surely, 2^88052309 is an apocalyptic number.

It is an amenable number.

88052309 is a deficient number, since it is larger than the sum of its proper divisors (1).

88052309 is an equidigital number, since it uses as much as digits as its factorization.

88052309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 88052309 is about 9383.6191845151. The cubic root of 88052309 is about 444.8841326076.

The spelling of 88052309 in words is "eighty-eight million, fifty-two thousand, three hundred nine".