15072097 has 2 divisors, whose sum is σ = 15072098. Its totient is φ = 15072096.

The previous prime is 15072089. The next prime is 15072103. The reversal of 15072097 is 79027051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14167696 + 904401 = 3764^2 + 951^2 .

It is an emirp because it is prime and its reverse (79027051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15072097 - 2³ = 15072089 is a prime.

It is not a weakly prime, because it can be changed into another prime (15072017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7536048 + 7536049.

It is an arithmetic number, because the mean of its divisors is an integer number (7536049).

Almost surely, 2^15072097 is an apocalyptic number.

It is an amenable number.

15072097 is a deficient number, since it is larger than the sum of its proper divisors (1).

15072097 is an equidigital number, since it uses as much as digits as its factorization.

15072097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 15072097 is about 3882.2798714158. The cubic root of 15072097 is about 247.0157016031.

The spelling of 15072097 in words is "fifteen million, seventy-two thousand, ninety-seven".