16015243 has 2 divisors, whose sum is σ = 16015244. Its totient is φ = 16015242.

The previous prime is 16015231. The next prime is 16015273. The reversal of 16015243 is 34251061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16015243 is a prime.

It is not a weakly prime, because it can be changed into another prime (16015273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8007621 + 8007622.

It is an arithmetic number, because the mean of its divisors is an integer number (8007622).

Almost surely, 2^16015243 is an apocalyptic number.

16015243 is a deficient number, since it is larger than the sum of its proper divisors (1).

16015243 is an equidigital number, since it uses as much as digits as its factorization.

16015243 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 16015243 is about 4001.9049214093. The cubic root of 16015243 is about 252.0642053165.

The spelling of 16015243 in words is "sixteen million, fifteen thousand, two hundred forty-three".