16453049 has 4 divisors (see below), whose sum is σ = 16897764. Its totient is φ = 16008336.

The previous prime is 16453039. The next prime is 16453061. The reversal of 16453049 is 94035461.

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 7661824 + 8791225 = 2768^2 + 2965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16453049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16453039) 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, 222302 + ... + 222375.

It is an arithmetic number, because the mean of its divisors is an integer number (4224441).

Almost surely, 2^16453049 is an apocalyptic number.

It is an amenable number.

16453049 is a deficient number, since it is larger than the sum of its proper divisors (444715).

16453049 is an equidigital number, since it uses as much as digits as its factorization.

16453049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444714.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 16453049 is about 4056.2358166162. The cubic root of 16453049 is about 254.3404666098.

The spelling of 16453049 in words is "sixteen million, four hundred fifty-three thousand, forty-nine".