15042361 has 2 divisors, whose sum is σ = 15042362. Its totient is φ = 15042360.

The previous prime is 15042359. The next prime is 15042373. The reversal of 15042361 is 16324051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8590761 + 6451600 = 2931^2 + 2540^2 .

It is a cyclic number.

It is not a de Polignac number, because 15042361 - 2¹ = 15042359 is a prime.

Together with 15042359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15042341) 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, 7521180 + 7521181.

It is an arithmetic number, because the mean of its divisors is an integer number (7521181).

Almost surely, 2^15042361 is an apocalyptic number.

It is an amenable number.

15042361 is a deficient number, since it is larger than the sum of its proper divisors (1).

15042361 is an equidigital number, since it uses as much as digits as its factorization.

15042361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 15042361 is about 3878.4482721831. The cubic root of 15042361 is about 246.8531474756.

The spelling of 15042361 in words is "fifteen million, forty-two thousand, three hundred sixty-one".