15097889 has 2 divisors, whose sum is σ = 15097890. Its totient is φ = 15097888.

The previous prime is 15097879. The next prime is 15097891. The reversal of 15097889 is 98879051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11785489 + 3312400 = 3433^2 + 1820^2 .

It is a cyclic number.

It is not a de Polignac number, because 15097889 - 2²⁰ = 14049313 is a prime.

It is a Sophie Germain prime.

Together with 15097891, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15097829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7548944 + 7548945.

It is an arithmetic number, because the mean of its divisors is an integer number (7548945).

Almost surely, 2^15097889 is an apocalyptic number.

It is an amenable number.

15097889 is a deficient number, since it is larger than the sum of its proper divisors (1).

15097889 is an equidigital number, since it uses as much as digits as its factorization.

15097889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 15097889 is about 3885.6002110356. The cubic root of 15097889 is about 247.1565224923.

The spelling of 15097889 in words is "fifteen million, ninety-seven thousand, eight hundred eighty-nine".