15242593 has 2 divisors, whose sum is σ = 15242594. Its totient is φ = 15242592.

The previous prime is 15242581. The next prime is 15242599. The reversal of 15242593 is 39524251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14615329 + 627264 = 3823^2 + 792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15242593 is a prime.

It is not a weakly prime, because it can be changed into another prime (15242599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621296 + 7621297.

It is an arithmetic number, because the mean of its divisors is an integer number (7621297).

Almost surely, 2^15242593 is an apocalyptic number.

It is an amenable number.

15242593 is a deficient number, since it is larger than the sum of its proper divisors (1).

15242593 is an equidigital number, since it uses as much as digits as its factorization.

15242593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 15242593 is about 3904.1763535988. The cubic root of 15242593 is about 247.9436277091.

The spelling of 15242593 in words is "fifteen million, two hundred forty-two thousand, five hundred ninety-three".