15052309 has 2 divisors, whose sum is σ = 15052310. Its totient is φ = 15052308.

The previous prime is 15052307. The next prime is 15052321. The reversal of 15052309 is 90325051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13853284 + 1199025 = 3722^2 + 1095^2 .

It is an emirp because it is prime and its reverse (90325051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15052309 - 2¹ = 15052307 is a prime.

Together with 15052307, 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 (15052307) 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, 7526154 + 7526155.

It is an arithmetic number, because the mean of its divisors is an integer number (7526155).

Almost surely, 2^15052309 is an apocalyptic number.

It is an amenable number.

15052309 is a deficient number, since it is larger than the sum of its proper divisors (1).

15052309 is an equidigital number, since it uses as much as digits as its factorization.

15052309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 15052309 is about 3879.7305318798. The cubic root of 15052309 is about 246.9075528083.

The spelling of 15052309 in words is "fifteen million, fifty-two thousand, three hundred nine".