16007243 has 4 divisors (see below), whose sum is σ = 18294000. Its totient is φ = 13720488.

The previous prime is 16007239. The next prime is 16007263. The reversal of 16007243 is 34270061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16007243 - 2² = 16007239 is a prime.

It is a super-2 number, since 2×16007243² = 512463656922098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16007263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143368 + ... + 1143381.

It is an arithmetic number, because the mean of its divisors is an integer number (4573500).

Almost surely, 2^16007243 is an apocalyptic number.

16007243 is a deficient number, since it is larger than the sum of its proper divisors (2286757).

16007243 is an equidigital number, since it uses as much as digits as its factorization.

16007243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286756.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 16007243 is about 4000.9052725602. The cubic root of 16007243 is about 252.0222276102.

The spelling of 16007243 in words is "sixteen million, seven thousand, two hundred forty-three".