16504241 has 8 divisors (see below), whose sum is σ = 17805480. Its totient is φ = 15207552.

The previous prime is 16504223. The next prime is 16504273. The reversal of 16504241 is 14240561.

It can be written as a sum of positive squares in 4 ways, for example, as 9024016 + 7480225 = 3004^2 + 2735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16504241 - 2¹⁴ = 16487857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16504211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12815 + ... + 14043.

It is an arithmetic number, because the mean of its divisors is an integer number (2225685).

Almost surely, 2^16504241 is an apocalyptic number.

It is an amenable number.

16504241 is a deficient number, since it is larger than the sum of its proper divisors (1301239).

16504241 is a wasteful number, since it uses less digits than its factorization.

16504241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 16504241 is about 4062.5411997911. The cubic root of 16504241 is about 254.6039783918.

The spelling of 16504241 in words is "sixteen million, five hundred four thousand, two hundred forty-one".