16902241 has 4 divisors (see below), whose sum is σ = 16910532. Its totient is φ = 16893952.

The previous prime is 16902239. The next prime is 16902251. The reversal of 16902241 is 14220961.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14220961 = 2521 ⋅5641.

It can be written as a sum of positive squares in 2 ways, for example, as 7317025 + 9585216 = 2705^2 + 3096^2 .

It is a cyclic number.

It is not a de Polignac number, because 16902241 - 2¹ = 16902239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16902251) 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, 1281 + ... + 5953.

It is an arithmetic number, because the mean of its divisors is an integer number (4227633).

Almost surely, 2^16902241 is an apocalyptic number.

It is an amenable number.

16902241 is a deficient number, since it is larger than the sum of its proper divisors (8291).

16902241 is an equidigital number, since it uses as much as digits as its factorization.

16902241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8290.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16902241 is about 4111.2335131928. The cubic root of 16902241 is about 256.6343369260.

The spelling of 16902241 in words is "sixteen million, nine hundred two thousand, two hundred forty-one".