16317241 has 4 divisors (see below), whose sum is σ = 16325712. Its totient is φ = 16308772.

The previous prime is 16317233. The next prime is 16317251. The reversal of 16317241 is 14271361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14271361 = 13 ⋅1097797.

It is a cyclic number.

It is not a de Polignac number, because 16317241 - 2³ = 16317233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16317251) 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, 210 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (4081428).

Almost surely, 2^16317241 is an apocalyptic number.

It is an amenable number.

16317241 is a deficient number, since it is larger than the sum of its proper divisors (8471).

16317241 is an equidigital number, since it uses as much as digits as its factorization.

16317241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470.

The product of its digits is 1008, while the sum is 25.

The square root of 16317241 is about 4039.4604837775. The cubic root of 16317241 is about 253.6387335229.

The spelling of 16317241 in words is "sixteen million, three hundred seventeen thousand, two hundred forty-one".