15243097 has 2 divisors, whose sum is σ = 15243098. Its totient is φ = 15243096.

The previous prime is 15243091. The next prime is 15243127. The reversal of 15243097 is 79034251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8462281 + 6780816 = 2909^2 + 2604^2 .

It is a cyclic number.

It is not a de Polignac number, because 15243097 - 2²³ = 6854489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15243091) 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, 7621548 + 7621549.

It is an arithmetic number, because the mean of its divisors is an integer number (7621549).

Almost surely, 2^15243097 is an apocalyptic number.

It is an amenable number.

15243097 is a deficient number, since it is larger than the sum of its proper divisors (1).

15243097 is an equidigital number, since it uses as much as digits as its factorization.

15243097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 15243097 is about 3904.2408993299. The cubic root of 15243097 is about 247.9463604509.

The spelling of 15243097 in words is "fifteen million, two hundred forty-three thousand, ninety-seven".