16454213 has 6 divisors (see below), whose sum is σ = 16629042. Its totient is φ = 16281200.

The previous prime is 16454173. The next prime is 16454237. The reversal of 16454213 is 31245461.

16454213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 12264004 + 4190209 = 3502^2 + 2047^2 .

It is not a de Polignac number, because 16454213 - 2¹⁰ = 16453189 is a prime.

It is a super-2 number, since 2×16454213² = 541482250898738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16454813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9395 + ... + 11007.

It is an arithmetic number, because the mean of its divisors is an integer number (2771507).

Almost surely, 2^16454213 is an apocalyptic number.

It is an amenable number.

16454213 is a deficient number, since it is larger than the sum of its proper divisors (174829).

16454213 is an equidigital number, since it uses as much as digits as its factorization.

16454213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1714 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 16454213 is about 4056.3792968607. The cubic root of 16454213 is about 254.3464643901.

Adding to 16454213 its reverse (31245461), we get a palindrome (47699674).

The spelling of 16454213 in words is "sixteen million, four hundred fifty-four thousand, two hundred thirteen".