16309241 has 4 divisors (see below), whose sum is σ = 17563812. Its totient is φ = 15054672.

The previous prime is 16309219. The next prime is 16309243. The reversal of 16309241 is 14290361.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5779216 + 10530025 = 2404^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 16309241 - 2¹⁰ = 16308217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16309241.

It is not an unprimeable number, because it can be changed into a prime (16309243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627266 + ... + 627291.

It is an arithmetic number, because the mean of its divisors is an integer number (4390953).

Almost surely, 2^16309241 is an apocalyptic number.

It is an amenable number.

16309241 is a deficient number, since it is larger than the sum of its proper divisors (1254571).

16309241 is a wasteful number, since it uses less digits than its factorization.

16309241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254570.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 16309241 is about 4038.4701311264. The cubic root of 16309241 is about 253.5972755017.

The spelling of 16309241 in words is "sixteen million, three hundred nine thousand, two hundred forty-one".