15042427 has 2 divisors, whose sum is σ = 15042428. Its totient is φ = 15042426.

The previous prime is 15042403. The next prime is 15042451. The reversal of 15042427 is 72424051.

It is a balanced prime because it is at equal distance from previous prime (15042403) and next prime (15042451).

It is a cyclic number.

It is not a de Polignac number, because 15042427 - 2¹¹ = 15040379 is a prime.

It is a super-2 number, since 2×15042427² = 452549220100658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15042457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7521213 + 7521214.

It is an arithmetic number, because the mean of its divisors is an integer number (7521214).

Almost surely, 2^15042427 is an apocalyptic number.

15042427 is a deficient number, since it is larger than the sum of its proper divisors (1).

15042427 is an equidigital number, since it uses as much as digits as its factorization.

15042427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 15042427 is about 3878.4567807312. The cubic root of 15042427 is about 246.8535085067.

Adding to 15042427 its reverse (72424051), we get a palindrome (87466478).

The spelling of 15042427 in words is "fifteen million, forty-two thousand, four hundred twenty-seven".