15242419 has 2 divisors, whose sum is σ = 15242420. Its totient is φ = 15242418.

The previous prime is 15242417. The next prime is 15242431. The reversal of 15242419 is 91424251.

15242419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15242419 - 2¹ = 15242417 is a prime.

It is a super-2 number, since 2×15242419² = 464662673943122, which contains 22 as substring.

Together with 15242417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15242417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621209 + 7621210.

It is an arithmetic number, because the mean of its divisors is an integer number (7621210).

Almost surely, 2^15242419 is an apocalyptic number.

15242419 is a deficient number, since it is larger than the sum of its proper divisors (1).

15242419 is an equidigital number, since it uses as much as digits as its factorization.

15242419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 15242419 is about 3904.1540697058. The cubic root of 15242419 is about 247.9426842486.

The spelling of 15242419 in words is "fifteen million, two hundred forty-two thousand, four hundred nineteen".