15124493 has 2 divisors, whose sum is σ = 15124494. Its totient is φ = 15124492.

The previous prime is 15124481. The next prime is 15124511. The reversal of 15124493 is 39442151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14160169 + 964324 = 3763^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 15124493 - 2¹⁰ = 15123469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15124423) 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, 7562246 + 7562247.

It is an arithmetic number, because the mean of its divisors is an integer number (7562247).

Almost surely, 2^15124493 is an apocalyptic number.

It is an amenable number.

15124493 is a deficient number, since it is larger than the sum of its proper divisors (1).

15124493 is an equidigital number, since it uses as much as digits as its factorization.

15124493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 15124493 is about 3889.0221135910. The cubic root of 15124493 is about 247.3016088629.

The spelling of 15124493 in words is "fifteen million, one hundred twenty-four thousand, four hundred ninety-three".