16459249 has 3 divisors (see below), whose sum is σ = 16463307. Its totient is φ = 16455192.

The previous prime is 16459207. The next prime is 16459271. The reversal of 16459249 is 94295461.

The square root of 16459249 is 4057.

It is a perfect power (a square), and thus also a powerful number.

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.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 8020224 = 2905^2 + 2832^2 .

It is not a de Polignac number, because 16459249 - 2¹⁵ = 16426481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16459049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2029 + ... + 6085.

It is an arithmetic number, because the mean of its divisors is an integer number (5487769).

Almost surely, 2^16459249 is an apocalyptic number.

16459249 is the 4057-th square number.

16459249 is the 2029-th centered octagonal number.

It is an amenable number.

16459249 is a deficient number, since it is larger than the sum of its proper divisors (4058).

16459249 is an frugal number, since it uses more digits than its factorization.

16459249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8114 (or 4057 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The cubic root of 16459249 is about 254.3724102910.

The spelling of 16459249 in words is "sixteen million, four hundred fifty-nine thousand, two hundred forty-nine".