16481453 has 2 divisors, whose sum is σ = 16481454. Its totient is φ = 16481452.

The previous prime is 16481447. The next prime is 16481477. The reversal of 16481453 is 35418461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13446889 + 3034564 = 3667^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 16481453 - 2²⁰ = 15432877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16481753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8240726 + 8240727.

It is an arithmetic number, because the mean of its divisors is an integer number (8240727).

Almost surely, 2^16481453 is an apocalyptic number.

It is an amenable number.

16481453 is a deficient number, since it is larger than the sum of its proper divisors (1).

16481453 is an equidigital number, since it uses as much as digits as its factorization.

16481453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 16481453 is about 4059.7355825226. The cubic root of 16481453 is about 254.4867441243.

The spelling of 16481453 in words is "sixteen million, four hundred eighty-one thousand, four hundred fifty-three".